Troubleshooting Single and Stacked Dryers Refer to Page 6 for Model Numbers D009C DRY692C www.comlaundry.com Part No.
Table of Contents Section 1 – Safety Information ...............................................................3 Locating an Authorized Servicer...........................................................4 Section 2 – Introduction ..........................................................................5 Customer Service...................................................................................5 Nameplate Location...............................................................................
32. 33. 34. 35. No Motor Run – “Door Open” Analysis – Electric Dryer..........69 No Motor Run – “Push Start” Analysis – Electric Dryer ...........71 No Heat Analysis – Electric Dryer .............................................73 Audit Switch Function Analysis .................................................75 Section 6 – MDC Control Troubleshooting.........................................76 36. Error Code Listing ......................................................................77 37.
Section 1 Safety Information Throughout this manual and on machine decals, you will find precautionary statements (“CAUTION,” “WARNING” and “DANGER”) followed by specific instructions. These precautions are intended for the personal safety of the operator, user, servicer, and those maintaining the machine. a DANGER Danger indicates an imminently hazardous situation that, if not avoided, will cause severe personal injury or death.
Safety Information WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Section 2 Introduction Customer Service If literature or replacement parts are required, contact the source from whom the machine was purchased or contact Alliance Laundry Systems at (920) 748-3950 for the name and address of the nearest authorized parts distributor. For technical assistance, call (920) 748-3121. Nameplate Location When calling or writing about your dryer, be sure to mention model and serial numbers. Model and serial numbers are located on the nameplate.
Introduction Model Identification BDE807*F X X X X BDEBEFGS171TN01 BDEBEFGS171TW01 BDEBLFGS431AW01 X BDET07*F X X X X BDGBEFGS111TN01 BDGBEFGS111TW01 BDGBLFGS301AW01 X BDGT09*F BFEL07*G4018 X X X BFEX07*F BFEX07*F4350 BFEX07*G4018 BFGL09*M3013 X X X BFGX09*F BFGX09*F3060 BFGX09*M3013 X X X X X X X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay X X GDE907*G3018 GFEG17NG3018 NetMaster Control X BSG909*F GDE807*G3018 X X X X X X X
GFEG17NG4018 GFEY17NG4018 X X GFGY19NM3020 HDE007*G3003 HDE007*G3008 HDE007*G3010 HDE007*G4008 HDE007*G4010 X X X X X X X HDE107*F1502 HDE107*F1702 HDE107*F3000 HDE107*G3003 HDE107*G3018 HDE107*G4018 HDE507*F1702 X X HDE707*F1502 HDE707*F1702 HDE907*F1502 HDE907*F1702 HDE907*G3018 HDE907*G4018 HDEB07*J1502 HDEB07*J1702 HDEB07*J99L1 X X X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat Central Pay NetMaster Control MDC Control Coin Slide Control X X X X X X X X X X X X HDE507
HDER07*F1702 HDET07*F HDET07*F1500 HDET07*F1502 HDET07*F1702 HDEX07*F1702 HDEX07*F3000 HDEX07*G3018 X X X X X HDEY07*F HDEY07*F1500 HDEY07*F1502 HDEY07*F1702 HDEY07*F99N2 X X X X HDEZ07*F HDEZ07*F1500 HDEZ07*F1502 HDEZ07*F1702 HDG009*M3008 X X X X X HDG109*F1102 HDG109*F3000 HDG109*G3013 HDG109*M3013 X HDG709*F1102 X X X X Gas Heat Electric Heat Coin Slide Control Central Pay X X X X X X HDG509*F1102 HDG909*F NetMaster Control X X X X X HDG109*F HDG809*F1102 X X X X X X X X X X X X X
HDG909*F1102 X X X X X HDGR09*F1102 HDGT09*F HDGT09*F1102 HDGX09*F3000 HDGX09*M3013 X X HDGY09*F HDGY09*F1102 X X HDGZ09*F HDGZ09*F1102 X X X HFEB07*J1702 X X X X X X HFEL47*G4018 HFEL67*G4018 X X X HFEY07*F1502 HFEY07*F1702 X HFG509*F1102 X X HFGX09*F1102 HFGX09*M3013 X X X X X X X X HSE517*F2802 HSE517*F2902 X X HSE717*F2802 HSE717*F2902 HSE917*F X X X X X Gas Heat Electric Heat X X X X X X X X X HFGY09*F1102 X X X X X HFG709*F1102 X X X X X X X X X X X X HFE707*F1702
HSE917*F2802 HSE917*F2902 HSEB17*J99L1 HSEB17*J99L2 HSEF17*J2902 X X X X X X HSER17*F2802 HSER17*F2902 HSET17*F HSET17*F1500 HSET17*F2802 HSET17*F2902 HSEX17*F2902 X X X X X HSEY17*F HSEY17*F1500 HSEY17*F2802 HSEY17*F2902 HSEY17*F99N2 X X X X HSEZ17*F HSEZ17*F1500 HSEZ17*F2802 HSEZ17*F2902 X X X HSG719*F0902 X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay X X X X HSGF19*J0902 HSGR19*F0902 NetMaster Control X X X HSG519*F0902 HSGB19*J99L1 X X X X X X X X X X
X X HSGT19*F HSGT19*F0902 X HSGX19*F0902 X X HSGY19*F HSGY19*F0902 X X HSGZ19*F HSGZ19*F0902 JDE807*F JDE807*F4350 JDE807*F5418 JDE807*G3018 JDE907*G3018 JDG809*F3060 JDG809*M3013 JDG809*M3020 X X X X X X JDG909*F3060 JDG909*M3013 JDG909*M3020 JSE807*F JSE807*F4350 X X X X JSE907*F4350 JSEBGFGW301EW01 JSG809*F JSG809*F3060 X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay NetMaster Control MDC Control Electronic Display Control Electromechanical Control X X X JSEBEFGW
JSG909*F3060 KFEG17NF1702 KFEG17NG3018 KFEG17NG4018 X X X X X X X X KFET17NF KFET17NF1702 X X KFEX17NG3018 KFEX17NG4018 X X X X KFEY17NF KFEY17NF1702 KFEY17NG3018 KFEY17NG4018 KFGG19NF KFGG19NF1102 KFGG19NM3020 X X X X X KFGT19NF KFGT19NF1102 X KFGX19NM3020 X X X KFGY19NF KFGY19NF1102 KFGY19NM3020 NDE007*G3018 NDE007*G4018 NDE807*F3022 NDE807*F5422 NDE807*G3018 NDE807*G4018 NDG909*F3022 X X X X X X X X X X X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control C
X X X X X X NFEL67*G4018 X X NFEX07*G3018 NFEX07*G4018 NFGL49*M3013 X NFGX09*M3013 X X NSE917*F5422 SDE007*F1500 SDE007*F3000 SDE007*F4350 SDE007*G3018 SDE107*F3000 SDE107*F4350 SDE107*F5412 SDE107*F5417 SDE107*F99L6 SDE107*F99L7 SDE107*G3018 SDE107*G4018 SDE407*F1500 Gas Heat Electric Heat Coin Slide Control X SDE107*F1724 SDE407*F X X X X SDE107*F1500 SDE307*F1500 X X X X X X X X X X X X X SDE107*F SDE307*F X X X X NSGBXFGW301NW22 SDE007*F X X X NSG919*F3022 X X X X X X X
X X SDE407*F3000 SDE407*F4350 X X SDE507*F SDE507*F1500 X X SDE607*F SDE607*F1500 X X SDE707*F SDE707*F1500 SDE807*F SDE807*F1500 SDE807*F3000 SDE807*F4350 SDE907*F SDE907*F1500 SDE907*F1724 SDE907*F3000 SDE907*F4350 SDE907*F5412 SDE907*G3018 SDE907*G4018 X X X X X X X X X X X X SDEA07*J3000 SDEA07*J4350 X X X X X X X X X SDEB07*J SDEB07*J1500 SDEBCRGS171TW02 X X X SDEBXRGS171TW02 X SDEC07*J X X X X X X X X X SDEF07*J SDEF07*J1500 SDEF07*J4350 X X SDEH07*J SDEH07*J1500 X X X X Gas
SDEX07*F1500 SDEX07*F3000 SDEX07*F4350 SDEX07*G3018 SDEX07*G4018 SDEY07*F1500 SDEZ07*F1500 SDG109*F1124 SDG109*F3058 SDG109*F3060 SDG109*F5412 SDG109*F99L6 SDG109*F99L7 SDG109*G3013 SDG109*M3013 X SDG309*F X X X X X X X X X X SDG409*F3000 SDG409*F3058 X SDG509*F X SDG609*F X SDG709*F SDG909*F SDG909*F1124 SDG909*F3060 X X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay NetMaster Control MDC Control X X X X X X X X X X X X X SDG409*F SDG809*F3060 X X X X X X X
SDG909*F5412 SDG909*M3013 X SDGF09*J3060 X SDGH09*J SDGX09*F3060 SDGX09*M3013 X SDGY09*F X SDGZ09*F X X X X X SFE507*F SFE507*F1500 X SFE707*F X SFEL07*G4018 SFEL67*G4018 X SFET07*F SFEX67*G4018 SFEY07*F X X X X SFEF07*J SFEX07*G4018 X X X X X SFEB07*J SFEX07*G3018 X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat X X X X X X X X X X X SDGX09*F3000 Coin Slide Control X X SDGX09*F SFEX07*F4350 Central Pay X SDGT09*F SFEX07*F3300 X X X X X X SDGF09*J S
X SFEY07*G4018 X SFG109*F X SFG709*F X SFGB09*J X X X X X X SFGL09*M3013 X SFGT09*F X X SFGX09*M3013 X SFGY09*F X SFGZ09*F X SGD109*F3000 SSE007*F SSE007*F1500 SSE007*F3000 SSE007*F4350 SSE007*F99H2 SSE107*F1500 SSE107*F1724 SSE107*F99L6 SSE107*F99L7 SSE107*G3018 SSE117*F SSE117*F1500 SSE117*F3000 SSE117*F4350 SSE117*F5412 SSE117*G3018 SSE307*F SSE307*F1500 SSE417*F SSE417*F3000 X X X X X X X X X X X X X X X X X X X X X X X X X SSE107*F X X X X X X X X X X X X X X X X X X Gas Heat
X SSE417*F4350 X X X X SSE507*F SSE507*F1500 SSE517*F SSE517*F1500 X X SSE607*F SSE617*F X X SSE707*F SSE717*F SSE807*F SSE807*F1500 SSE807*F3000 SSE807*F4350 SSE807*G3018 SSE907*F SSE907*F1500 SSE907*F1724 SSE907*G3018 SSE917*F SSE917*F3000 SSE917*F4350 SSEA07*G3018 SSEA17*J SSEB07*J SSEB07*J1500 SSEB17*J SSEB17*J1500 SSET17*F X X X X X X X X X X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay NetMaster Control MDC Control X X SSEF17*J4350 SSET0
SSET17*F1500 SSEY07*F1500 SSEY17*F SSEZ07*F1500 SSEZ17*F SSEZ17*F1500 SSG109*F1124 SSG109*F99L6 SSG109*F99L7 SSG109*M3013 SSG119*F SSG119*F3000 SSG119*F3058 SSG119*F3060 SSG119*F5412 SSG119*F5480 SSG119*M3013 X SSG309*F X X X X X X X X X X X X X X X X X X X X X X X X X X X X X SSG419*F SSG419*F3000 SSG419*F3058 X X SSG509*F SSG519*F X X SSG609*F SSG619*F X X SSG709*F SSG719*F X X X X X X X X X X X X Gas Heat X X X X X X X X X X X SSG109*F Electric Heat Coin Slide Control Central Pay N
SSG919*F SSG919*F3060 SSGB19*J X X X SSGF09*J SSGF19*J SSGF19*J3060 X X X SSGH09*J SSGT09*F SSGT19*F X X X X SSGX09*F SSGX09*M3013 SSGX19*F SSGX19*F3060 X X SSGY09*F SSGY19*F X X SSGZ09*F SSGZ19*F UDE807*F UDE807*F1702 UDG009*F UDG009*F3000 UDG009*F3025 UDG809*F UDG809*F1102 USE007*F USE017*F5412 USE807*F USG009*F USG019*F5412 X X X X X X X X X X X X X X X X X X X X X X X X X Gas Heat Electric Heat Coin Slide Control Central Pay NetMaster Control MDC Control X SSGC09*J X X X X X X X X
USG809*F X Gas Heat Electric Heat Coin Slide Control Central Pay NetMaster Control MDC Control Electronic Display Control Electromechanical Control Card Reader Installed Card Reader Ready Coin Drop Installed Coin Drop Ready Coin Slide Ready Model Number Counter Nonmetered Model Introduction X * Add Letter To Designate Color.
Section 3 Dryer Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Dryer Troubleshooting 1. Dryer Motor Does Not Run Dryer motor does not run. No Is power cord plugged in? Plug in cord. Yes Is electrical power off or fuse blown? Check laundry room for blown or loose fuse(s), or open circuit breaker(s). The dryer itself doesn't have an electrical fuse. Yes Are motor starting functions inoperative, does motor not start, or motor just hum? Yes Refer to Adjustments section to check start switch and start windings. Check for foreign objects jammed in blower fan.
Dryer Troubleshooting 1. Dryer Motor Does Not Run (continued) Continued from previous page. Is there a bind in motor bearing? Yes No Is motor wire harness connection block loose? Yes Remove belt and determine if motor shaft will spin. Replace motor if shaft is locked up. Firmly press connection block onto motor switch. No Is wiring broken, loose or incorrect? Yes Refer to wiring diagram. Yes Refer to wiring diagram for correct wiring.
Dryer Troubleshooting 2. Dryer Stops In Cycle; Quits After The First Few Loads; Has A Burning Smell; Cycles On Motor Thermal Protector Dryer stops in cycle, quits after first few loads, has burning smell or cycles on motor thermal protector. Is voltage incorrect? Yes No Is clothes load too large? Yes No Is clothes cylinder binding? No Yes Refer to nameplate in door well for correct voltage. Refer to Installation Instructions (supplied with unit) for electrical requirements. Remove part of load.
Dryer Troubleshooting 3. Dryer Motor Runs But Cylinder Does Not Turn Dryer motor runs but cylinder does not turn. Is motor drive pulley loose? Yes Tighten pulley. Is belt "inside out" ? Yes Reinstall belt with ribbed surface against cylinder. No No Is belt installed on pulley? No Install belt. Is idler arm binding? Yes Yes No Is cylinder belt broken? Yes Replace belt. Is dryer overloaded? Check cylinder for binding and "out of round" condition. Check front and rear bulkheads for warping.
Dryer Troubleshooting 4. Dryer Motor Does Not Stop Dryer motor does not stop. Is wiring to motor switch incorrect? Yes Refer to wiring diagram. No Is motor centrifugal switch sticky or plugged with lint? Yes Remove dust or lint and spray with a cleaner and lubricant. No Is door switch inoperative? Yes Test switch and replace if inoperative. Refer toTest Procedures section. Yes Test timer and replace if inoperative. Refer toTest Procedures section.
Dryer Troubleshooting 5. Dryer Runs Only When Door is Open Dryer runs when door is open. Yes Is door switch miswired? Rewire door switch. Refer to wiring diagram. No Replace door switch.
Dryer Troubleshooting 6. Dryer Heating Assembly Does Not Heat or Burner Does Not Ignite Dryer heating assembly does not heat or burner does not ignite. Is exhaust system improper or inadequate? Yes Refer to Installation Instructions (supplied with unit) for exhaust requirements. Is limit thermostat inoperative? No Test thermostat and replace if Yes inoperative. Refer to Test Procedures section. No Is exhaust duct made of plastic or thin foil? Yes Replace with rigid or semirigid metal exhaust duct.
Dryer Troubleshooting 6. Dryer Heating Assembly Does Not Heat or Burner Does Not Ignite (continued) Continued from previous page. Gas Models: Is gas supply insufficient? Yes No Gas Models: Are gas valve coils inoperative? Yes Check gas shut-off valve in dryer and main gas line valve. Open partially closed gas shut-off valve or correct low gas pressure. Test coils and replace if inoperative. Refer to Test Procedures section.
Dryer Troubleshooting 7. Igniter Does Not Glow (Gas Supply Sufficient) – Gas Dryer Models Gas dryer models: Igniter does not glow (gas supply sufficient). Is there power to power leads on valve (pink and blue wires)? No Check selector switch, thermostats, motor switch and wiring. Yes Has flame sensor failed with contacts open? Yes Replace sensor. No Is igniter broken or open? Yes Replace igniter.
Dryer Troubleshooting 8. Burner Ignites and Goes Out Repeatedly – Gas Dryer Models Gas dryer models: Burner ignites and goes out repeatedly. Is exhaust system improper or inadequate? Yes Refer to Installation Instructions (supplied with unit) for exhaust requirements. Is igniter cracked? Yes Replace igniter and bracket. No No Is weather hood flapper restricted? Yes Refer to Installation Instructions (supplied with unit) for exhaust requirements.
Dryer Troubleshooting 9. Igniter Glows But Burner Does Not Ignite – Gas Dryer Models Gas dryer models: Igniter glows but burner does not ignite. Did sensor fail in closed position? Yes No Is secondary coil or holding coil open? Yes No Is gas supply insufficient? Yes Replace sensor. Is sensor improperly installed on burner housing? Yes Loosen screw and properly position the sensor on the burner housing. Replace gas valve (in warranty) or replace coils (out of warranty).
Dryer Troubleshooting 10. Dryer Heater Assembly Or Burner Shuts Off Prematurely Dryer heater assembly or burner shuts off prematurely. Is exhaust system improper or inadequate? Refer to Installation Instructions (supplied with unit) for exhaust requirements. Yes Cycling off on limit thermostat? No Momentarily connect a jumper wire across thermostat Yes terminals. If heater element heats or burner ignites when jumper wire is connected, refer to next flowchart.
Dryer Troubleshooting 11. Dryer Heater Assembly or Burner Repeatedly Cycles Off On Limit Thermostat Dryer heater assembly or burner repeatedly cycles off on limit thermostat. Is external exhaust system longer or providing greater restriction than recommended? Yes Refer to Installation Instructions (supplied with unit) for exhaust system requirements. Is there lint or other obstruction in external exhaust system? Yes Disassemble and clean exhaust system.
Dryer Troubleshooting 11. Dryer Heater Assembly or Burner Repeatedly Cycles Off On Limit Thermostat (continued) Continued from previous page. Is there an air leak around loading door? (Door not sealing due to damaged seal or inoperative door catch)? Yes Replace seal or catch. Is there an air leak at front panel seal? Yes Check and replace seal if necessary. No Is thermistor inoperative? Yes No Is there an air leak at blower seal? Yes Test thermistor and replace if inoperative.
Dryer Troubleshooting 12. Dryer Heater Assembly or Burner Does Not Shut Off Dryer heater assembly or burner does not shut off. Is motor switch inoperative? (Must be in a heat setting.) Yes Test switch and replace if inoperative. No Motor does not stop? Yes Refer to Dryer Motor Does Not Stop paragraph. No Is wiring incorrect? Yes Refer to wiring diagram. No Has heater assembly shorted? Yes Remove heater assembly and check for short.
Dryer Troubleshooting 13. Clothes Do Not Dry in Dryer Clothes do not dry in dryer. Does heater assembly not heat or burner not ignite? Yes Refer to Dryer Heating Assembly Does Not Heat or Burner Does Not Ignite paragraph. Is there too much water in articles being dried? Yes No Is laundry load too large? Yes No Is laundry load too small? Yes Remove excess water. Remove part of load. A normal washer load is a normal dryer load. Maximum load: Dryer cylinder one half full of wet clothes.
Dryer Troubleshooting 14. Clothes Are Too Hot When Removed From Dryer Clothes are too hot when removed from dryer. Is exhaust system improper or inadequate? Yes Refer to Installation Instructions (supplied with unit) for exhaust requirements. No Were clothes removed from dryer before cycle has completed? Yes Allow the dryer to complete the cycle through the cool-down to the OFF position. Are seals inoperative (air leaks)? No Add additional cool-down time.
Dryer Troubleshooting 15. Excessive Chattering Or Vibrating Noise in Dryer Excessive chattering or vibrating noise in dryer. Yes Is idler spring inoperative? Remove lower access panel. Set dryer to normal cycle and allow it to heat to operating temperature. If the belt vibrates as it rotates around the cylinder, the idler arm is making the noise. Replace the idler spring. No Are idler pulley and shaft worn? Yes Replace idler pulley and shaft. Yes Replace rollers.
Dryer Troubleshooting 16. Excessive Humming Or Whistling Noise in Dryer Excessive humming or whistling noise in dryer. Is blower housing inoperative? Yes If the abnormal operating noise is loudest at the vent exit, the problem is originating from the blower housing. Replace the current housing and cover. No Check blower fan for missing or cracked fan blades.
Section 4 Coin Slide Control Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Coin Slide Control Troubleshooting 17. Error Display Mode The control enters Error Display Mode to display thermistor errors. The heater is turned off, the IN USE LED flashes to indicate the error (refer to paragraphs below), and the timer will continue to count down time. The control remains in Error Display Mode until the control senses the thermistor has returned to an acceptable heating range, the cycle ends or machine is powered down. a.
Coin Slide Control Troubleshooting 18. No Cycle Start When the Coinslide is Activated No cycle start when the coinslide is activated. 3 Does the in use light flash and stay lit when the coinslide is activated? Refer to No Motor Run "Door Open Analysis" section. Yes Is there continuity through the switch? No Replace the switch. Yes Replace the control harness. No 1 Is the H8 connection properly seated on the control board? No Properly seat the connector and try again.
Coin Slide Control Troubleshooting No Cycle Start When the Coinslide is activated 1 2 3 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 45
Coin Slide Control Troubleshooting 19. Gas Dryer – No Motor Run – Door Open Analysis Gas Dryer - No Motor Run - Door Open Analysis. Does the in use light flash at power up? No Check main power and that machine is plugged in. Yes Does the in use light stay on after coinslide activation? No Refer to No Start After Coin Slide Activation section. Yes 1 Check for voltage between H3-1 and H3-6 of the control. No Replace or connect the wiring between NO on door switch and control.
Coin Slide Control Troubleshooting Gas Dryer – No Motor Run – Door Open Analysis 2 3 1 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 47
Coin Slide Control Troubleshooting 20. Gas Dryer – No Motor Run – Push Start Analysis Gas Dryer - No Motor Run - Push Start Analysis. 1a 1 After start switch is pushed, is line voltage present at H3-4 on control? With start switch pushed is there continuity through the switch and harness? No No Replace switch. No Yes Yes 2 Is line voltage present between 5 and 4 on motor? Replace control. Replace control harness. No Connect wiring between the motor and control. Yes Replace motor.
Coin Slide Control Troubleshooting Gas Dryer – No Motor Run – Push Start Analysis 1 1a 2 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 49
Coin Slide Control Troubleshooting 21. Gas Dryer – No Heat Analysis NOTE: Dryer needs to be running in a heating mode. The following voltage measurements are 120. This also assumes there are no thermistor errors present. Gas Dryer - No Heat Analysis 1 6 Is there line voltage between FS-2 and neutral? No Connect wiring between door switch and FS-2. Yes Is line voltage present across the input and output of the gas valve? Yes Continued on next page.
Coin Slide Control Troubleshooting 21. Gas Dryer – No Heat Analysis (continued) Continued from previous page. Open lower front panel and check glow bar. Is the glow bar activating? Yes Check wiring at gas valve. Replace gas valve or coils. No No Replace the glow bar. Does the sensor have continuity? Yes Replace the sensor.
Coin Slide Control Troubleshooting Gas Dryer – No Heat Analysis 1 2 3 8 5 4 6 7 9 52 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Coin Slide Control Troubleshooting 22. Electric Dryer – No Motor Run – Door Open Analysis Electric Dryer - No Motor Run - Door Open Analysis Does the in use light flash at power up? No Check main power and that machine is plugged in. Yes Does the in use light stay on after coinslide activation? No Refer to No Start After Coinslide Activation. Yes 1 Check for line voltage between H3-1 and H3-6 of the control. Yes Refer to No Motor Run - Push Start Analysis.
Coin Slide Control Troubleshooting Electric Dryer – No Motor Run – Door Open Analysis 2 3 1 54 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Coin Slide Control Troubleshooting 23. Electric Dryer – No Motor Run – Push Start Analysis Electric Dryer - No Motor Run - Push Start Analysis 1a 1 After start switch is pushed is voltage present at H3-4 on control? No With start switch pushed is there continuity through the switch and harness? No Replace switch. No Yes Yes Replace control. Replace control harness. 2 Is line voltage present between 5 and 4 on motor? No Connect wiring between the motor and control. Yes Replace motor.
Coin Slide Control Troubleshooting Electric Dryer – No Motor Run – Push Start Analysis 1 1a 2 56 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Coin Slide Control Troubleshooting 24. Electric Dryer – No Heat Analysis NOTE: Dryer needs to be running in a heating mode. The following expected voltage measurements are 240 and assumes no thermistor errors. Electric Dryer - No Heat Analysis 7 1 Is there line voltage between FS-2 of the control and L2? Yes No Connect wiring between FS-2 and L1. Is line voltage present between the input of the heating element and L2? Connect wiring No between the limit thermostat and element.
Coin Slide Control Troubleshooting Electric Dryer – No Heat Analysis 1 2 3 5 4 6 9 7 10 8 11 58 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Section 5 Electronic Display Control Troubleshooting 25. Error Code Listing Listed below are some of the error codes that may appear on the Electronic Control. “E:00” General Error Proximity Error Micro-wand IIIe is improperly aimed at Infrared communicator (angle or distance): Reaim Micro-wand IIIe.
Electronic Display Control Troubleshooting 26. Cannot Perform Infrared Communication Attempt to communicate with the electronic control from the Micro-wand. Is there any acknowledgement of any kind from the electronic control? NO Aim Micro-wand closer and try again. Is there any control response? NO Check the following: – Low battery on Micro-wand. – Is the (IR) on the control covered or blocked? – If needed, replace electronic control board.
Electronic Display Control Troubleshooting 27. Coins Ignored When Entered Start coin drop diagnostic test. Enter several coins. Does the electronic control display coin counter increment properly? YES Make sure the control is reset properly and prompting for a vend. NOTE: In this section, bring the control out of the diagnostic mode. Also, make sure the control is not in a free vend mode. NO NOTE: Inspect and test for continuity the harness between the drop and electronic control board.
Electronic Display Control Troubleshooting 28. Electronic Control Has No Visible Display ELECTRONIC CONTROL HAS NO VISIBLE DISPLAY – – DRYER The electronic control has no LED or VFD functioning on the control board. Is the power cord plugged in? NO Plug electronic unit into electrical outlet. YES Open Control Panel 1 Is there voltage at "H4-2" Black to "H4-3" White? YES NO Disconnect power and check for broken, loose, or incorrect wiring from the electrical outlet to the electronic control.
Electronic Display Control Troubleshooting 29. No Motor Run – Door Open” Analysis – Gas Dryer Line voltage to electronic control board. Display on. (#) Numbers next to voltage checks correspond to the locations marked on the wiring schematic. YES Is the coin counter counting down as coins are entered in the drop? Is the "DOOR OPEN" flashing? YES YES Close door. Still Flashing NO NO NO 1 Open control-voltage check. GREY "H4-6" to "H4-3". Check main power to dryer. GREY "H4-1" to "H4-3".
Electronic Display Control Troubleshooting No Motor Run – “Door Open” Analysis – Gas Dryer 1 L1 N 3 (NC) H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) 120VAC 60 HZ FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 LIMIT RELAY "K2" H6-1 H6-2 FS-2 SECONDARY COIL RELAY "K1" SENSOR HOLDING COIL H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTROL CIRCUIT BOOS
Electronic Display Control Troubleshooting 30. No Motor Run – “Push Start” Analysis – Gas Dryer "PUSH START" is flashing and there is no motor run on the dryer. (#) Numbers next to voltage checks correspond to the locations marked on the wiring schematic. Go through the following checks: Does colon flash and "PUSH START" go off? Does drying or cool down display on the electronic control? NOTE: This test is based on the assumption that the "START" button has been pressed.
Electronic Display Control Troubleshooting No Motor Run – “Push Start” Analysis – Gas Dryer 1 L1 N 3 (NC) H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) 120VAC 60 HZ FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 LIMIT RELAY "K2" H6-1 H6-2 FS-2 SECONDARY COIL RELAY "K1" SENSOR HOLDING COIL H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTROL CIRCUIT BOO
Electronic Display Control Troubleshooting 31. No Heat Analysis – Gas Dryer NO HEAT ANALYSIS During operation an "OP" or "SH" may be displayed. If "SH" or "OP" appear, do the following checks: This indicates an open or shorted thermistor. Use diagnostic test "Dryer On Temperature Test". – Replace thermistor.
Electronic Display Control Troubleshooting No Heat Analysis – Gas Dryer 1 2 L1 N 3 (NC) 3 H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) 120VAC 60 HZ FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 LIMIT RELAY "K2" H6-1 H6-2 FS-2 SECONDARY COIL RELAY "K1" SENSOR H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTROL CIRCUIT TEMPERATURE REGULATING CIRCUIT CO
Electronic Display Control Troubleshooting 32. No Motor Run – “Door Open” Analysis – Electric Dryer NO MOTOR RUN – – "DOOR OPEN" ANALYSIS Line voltage to electronic control board. Display on. YES Is the coin counter counting down as coins are entered in the drop? Is the "Door Open" flashing? YES YES Close door. Still Flashing NO NO NO 1 Open control-voltage check. GREY "H4-6" to "H4-3". GREY "H4-1" to "H4-3". Check main power to dryer.
Electronic Display Control Troubleshooting No Motor Run – “Door Open” Analysis – Electric Dryer 1 L1 L2 208VAC OR 240VAC N 120VAC 3 (NC) H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 HEATING ELEMENT THERMAL FUSE RELAY "K2" H6-1 LIMIT H6-2 FS-2 RELAY "K1" H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTROL
Electronic Display Control Troubleshooting 33. No Motor Run – “Push Start” Analysis – Electric Dryer NO MOTOR RUN – – "PUSH START" ANALYSIS "Push Start" is flashing and there is no motor run on the dryer. Go through the following checks: NOTE: This test is based on the assumption that the "start" button has been pressed.
Electronic Display Control Troubleshooting No Motor Run – “Push Start” Analysis – Electric Dryer 1 L1 L2 208VAC OR 240VAC N 120VAC 3 (NC) H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 HEATING ELEMENT THERMAL FUSE RELAY "K2" H6-1 LIMIT H6-2 FS-2 RELAY "K1" H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTRO
Electronic Display Control Troubleshooting 34. No Heat Analysis – Electric Dryer NO HEAT ANALYSIS During operation an "OP" or "SH" may be displayed. if "SH" or "OP" appear, do the following checks: This indicates an open or shorted thermistor. – Check wiring at thermistor. – Replace thermistor. Use diagnostic test "Dryer on temperature test".
Electronic Display Control Troubleshooting No Heat Analysis – Electric Dryer 1 3 2 L1 L2 208VAC OR 240VAC N 120VAC 3 (NC) H4-6 DOOR SWITCH 2 (NC) H4-1 1 (COM) FS-1 H4-3 DOOR SENSING CIRCUIT ALLOWS CONTROL TO TURN ON MOTOR RELAY "K1" ONLY WHEN DOOR IS CLOSED AND GO PAD PRESSED H4-2 H4-5 HEATING ELEMENT THERMAL FUSE RELAY "K2" H6-1 LIMIT H6-2 FS-2 RELAY "K1" H4-4 H2-3 H2-2 H2-1 H2-5 H2-6 AVAILABLE OUTPUT TRANSISTOR IS "OFF" WHEN MACHINE IS RUNNING H2-4 AUDIT CONTROL CIRCUIT TEMPER
Electronic Display Control Troubleshooting 35. Audit Switch Function Analysis AUDIT SWITCH FUNCTION ANALYSIS NOTE: Usually review two consecutive audit reports before sending service personnel to investigate. Remember, the audit system may be detecting tampering of the electronic control (EC) unit. Incorrect audit counts: Coin drop. Service door. Coin vault. Cycle.
Section 6 MDC Control Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
MDC Control Troubleshooting 36. Error Code Listing OP Open Thermistor Error. This error code indicates a physical “open” in the thermistor circuit. Possible causes are: 1) thermistor, 2) wiring between control and thermistor, or 3) control. SH Shorted Thermistor Error This error code indicates a “short” in the thermistor circuit. Possible causes are: 1) Shorted thermistor, 2) a short in the wiring between control and thermistor, or 3) control.
MDC Control Troubleshooting 37. Coins Ignored When Entered Coins Ignored When Entered Dwg. 2 Start coin drop diagnostic test. Refer to Production Test Cycle section of Programming manual. Does the display on the electronic control increment properly? YES Exit diagnostic testing and reset control (prompting for vend price). NO Is connector H5 on the control firmly seated in its receptacle? NO Reconnect and run diagnostic test again.
MDC Control Troubleshooting 38. No Visible Display on Control No Display Dwg. 1 1 Is there 24 volts AC across terminals H1-3 and H1-1 on the control? YES Replace the control. NO (2) 2 Is there 24 Volts AC across the secondary of the transformer? YES Correct wiring between the transformer and the control. NO NOTE: Refer to wiring diagram for primary voltage. Is Correct wiring to the there 120 (U.S.) primary of the or 240 (overseas) volts NO transformer.
MDC Control Troubleshooting No Visible Display on Control 3 2 1 80 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
MDC Control Troubleshooting 39. Door Open Door Open Dwg. 4 NOTE: Conduct all tests with the door closed. 1 (1) Is there voltage across terminals H2-1 and H2-6? YES Replace electronic control. NO 2 (2) Is there voltage on the N.O. terminal of the door switch to a neutral wire? YES Correct wiring between door switch and control. Also check neutral supply to control. NO 3 (3) Is there voltage on the COM teminal of the door switch to a neutral wire? YES Check operation of the door switch.
MDC Control Troubleshooting Door Open 3 2 1 82 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
MDC Control Troubleshooting 40. Motor Will Not Start Motor Will Not Start Dwg. 5 NOTE: Checks to be made only if motor does not start and door open indicator is not on. If door open indicator light is on please refer to door open trouble shooting. 1 (1) Is there voltage across terminals 5 and 4 of the motor? YES Replace the motor. YES Correct the wiring to the motor. YES Replace the electronic control.
MDC Control Troubleshooting Motor Will Not Start 3 2 1 84 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
MDC Control Troubleshooting 41. No Heat (Electric) Dwg. 6 1 (1) Is there voltage across the leads to the heating element? 7 (7) YES Replace heating element. Is there voltage on FS-2 on the control board to L2? YES Make sure unit is calling for heat. Check operation of thermistor. Replace the control. NO NO 2 (2) Is there voltage from the output side of the limit thermostat to L2? 8 (8) YES Check and replace wiring between components. Replace element.
MDC Control Troubleshooting No Heat (Electric) 7 6 5 4 3 2 1 8 86 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
MDC Control Troubleshooting 42. No Heat (Gas) 1 (1) Is there voltage across the pink wire of the gas valve to terminal 2 on the motor? YES Refer to NOTE. Replace either the gas valve, coils of gas valve or the sensor. NO 2 (2) Is there voltage at the output of the limit thermostat referenced to neutral? YES Correct wiring between limit thermostat and gas valve.
MDC Control Troubleshooting No Heat (Gas) 5 4 3 2 1 6 88 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Section 7 NetMaster Control Troubleshooting 43. Error Codes Following is a list of possible error codes. Errors beginning with “EI” refer to NetMaster Infra-red communication errors. Errors beginning with “EC” refer to NetMaster card reader errors. All other errors refer to electronic control errors. Display Information Description Cause/ Corrective Action EI:01 Transmission Failure Communication failure. Re-aim Micro-Wand and try again. EI:02 Device Timeout Communication failure.
NetMaster Control Troubleshooting Display Information Description Cause/ Corrective Action EC:20 Unreadable Card Faulty card or dirty contact. Clean chip on card or card reader contacts. Try card again. If error persists, card may be faulty. EC:21 Security ID Mismatch Incorrect card. Use card with correct security code. EC:22 Site Code Mismatch Incorrect card. Use card with correct site code. EC:23 Card Maximum Value Exceeded Value on card over max.
NetMaster Control Troubleshooting Display Information Description Cause/ Corrective Action Err Coin Error Invalid coin pulse or inoperative coin sensor. Check coin drop area and remove obstructions. If error persists, tampering may have occurred. Evaluate security procedures. OP Open Thermistor Physical open in the thermistor circuit. Replace thermistor. SH Shorted Thermistor Dead short in the thermistor circuit. Replace thermistor.
NetMaster Control Troubleshooting 44. Coins Ignored When Entered Coins Ignored When Entered Dwg. 2 Start coin drop diagnostic test. Does the display on the electronic control increment properly? YES Exit diagnostic testing and reset control. NO NO Is connector H5 on the control firmly seated in its receptacle? Reconnect and run diagnostic test again.
NetMaster Control Troubleshooting 45. No IR Communication No IR Communication Dwg. 3 Attempt communication with microwand to the control. Check the following: Is there a response of any kind from the electronic control? No Bring microwand closer to the IR window, aim properly and try communication again.
NetMaster Control Troubleshooting 46. No Display No Display Dwg. 1 1 (1) Are there 24 volts AC across terminals H1-3 and H1-1 on the control? YES Replace the control. NO 2 (2) Are there 24 Volts AC across the secondary of the transformer? YES Correct wiring between the transformer and the control. NO NOTE: Refer to wiring diagram for primary voltage. Correct wiring to the primary of the Are there 120 or 240 NO transformer.
NetMaster Control Troubleshooting No Display 3 2 1 DRY352S_ 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 95
NetMaster Control Troubleshooting 47. Door Open NOTE: Conduct all tests with the door closed. 1 (1) Does resistor at H2-2 and H2-5 read proper ohms? NO Replace resistor. YES Replace electronic control. YES 2 (2) Is there voltage across terminals H2-1 and H2-6? NO 3 (3) Is there voltage on the N.O. terminal of the door switch to a neutral wire? YES Correct wiring between door switch and control. Also check neutral supply to control.
NetMaster Control Troubleshooting Door Open 4 3 1 2 DRY1816S 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 97
NetMaster Control Troubleshooting 48. Motor Will Not Start Motor Will Not Start Dwg. 5 NOTE: Checks to be made only if motor does not start and door open indicator is not on. If door open indicator light is on please refer to door open trouble shooting. 1 (1) Is there voltage across terminals 5 and 4 of the motor? YES Replace the motor. YES Correct the wiring to the motor. YES Replace the electronic control.
NetMaster Control Troubleshooting Motor Will Not Start 3 2 1 DRY358S_ 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 99
NetMaster Control Troubleshooting 49. No Heat (Electric) No Heat Electric Dwg. 6 1 (1) Is there voltage across the leads to the heating element? 7 (7) YES Replace heating element. Is there voltage on FS-2 on the control board to L2? YES Make sure unit is calling for heat. Check operation of thermistor. Replace the control. NO NO 2 (2) Is there voltage from the output side of the limit thermostat to L2? 8 (8) YES Check and replace wiring between components. Replace element.
NetMaster Control Troubleshooting No Heat (Electric) 7 6 5 4 3 2 1 8 DRY360S_ 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 101
NetMaster Control Troubleshooting 50. No Heat (Gas) No Heat Gas Dwg. 7 (1) 1 Is there voltage across the pink wire of the gas valve to terminal 2 on the motor? YES Refer to NOTE. Replace either the gas valve, coils of gas valve or the sensor. NO 2 (2) Is there voltage at the output of the limit thermostat referenced to neutral? YES Correct wiring between limit thermostat and gas valve. NO NOTE: When calling for heat the holding coil, the booster coil and the igniter will be energized.
NetMaster Control Troubleshooting No Heat (Gas) 5 4 3 2 1 6 DRY362S_ 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 103
Section 8 Coin Drop Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 51. Troubleshooting Coin Drop a.
Coin Drop Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the washer before servicing. • Never start the washer with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the washer is properly grounded. • Motor not grounded! Disconnect electric power before servicing motor. W485 51.
Coin Drop Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the washer before servicing. • Never start the washer with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the washer is properly grounded. • Motor not grounded! Disconnect electric power before servicing motor. W485 b.
Coin Drop Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the washer before servicing. • Never start the washer with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the washer is properly grounded. • Motor not grounded! Disconnect electric power before servicing motor.
Coin Drop Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the washer before servicing. • Never start the washer with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the washer is properly grounded. • Motor not grounded! Disconnect electric power before servicing motor.
Section 9 Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 53. Burner Flame (Gas Models) a.
Adjustments Air Shutter Lockscrew Shut-Off Valve Handle Air Shutter 1/8 Inch Pipe Plug (For checking manifold pressure) D265SE3A Silicon Carbide Ignition System Air Shutter Lockscrew Shut-Off Valve Handle (Shown in Open Position) WR Air Shutter 1/8" Pipe Plug (For checking manifold pressure) D363SE3A Silicon Nitride Ignition System Figure 11 505893 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 111
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 54. Cleaning Non-Electronic Coin Drop g.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 i. Check coin return pendulum to verify it swings freely.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 55. Cleaning Electronic Coin Drop (2) Open cover for coin drop.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 NOTE: Do not overbend the spring by opening cover too far.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 f. Clean light sensors with a soft brush or air spray duster. Refer to Figure 24.
Section 10 Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 57.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 58.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 c.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 d.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 59.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 60. Motor Switch a. Remove motor and exhaust fan assembly. b.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
Test Procedures 1 4 5 2 Secondary Coil 4 5 1 2 1 - 3 Main Coil Redundant Coil 3 Holding And Booster Coil D270SE3A D340SE3A GAS VALVE FOR SILICON CARBIDE IGNITION GAS VALVE FOR SILICON NITRATE IGNITION Flame Sensor Ground 220/240 Volt, 50 Hertz Electrical Supply Line Igniter IGNITION CONTROL Main Coil Redundant Coil WIRING SCHEMATIC D332SE3A Figure 31 126 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 505893
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 62. Electrical Circuit To Ignition System (Gas Models) 63.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 64. Sensor Check (Gas Models) a.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 68. Heater Assembly (Electric Models) a.
Test Procedures WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded. W001R1 71. Thermistor a.
Section 11 Internal Wiring of Dryer Motor Switch WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the dryer(s) before servicing. • Close gas shut-off valve to gas dryer(s) before servicing. • Never start the dryer(s) with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the dryer is properly grounded.
