Troubleshooting Drying Tumblers 120 Pound Capacity 170 Pound Capacity Refer to Page 5 for Model Numbers LOAD READY LOW AIR FLOW HIGH LOW MEDIUM TEMPERA TURE NON REV REV PUSH TO START COOLING DRYING 10 15 50 40 60 0 5 0 30 20 10 T021C www.comlaundry.com Part No.
Table of Contents Section 1 – Safety Information ...............................................................2 Locating An Authorized Service Person ...............................................3 Section 2 – Introduction ..........................................................................4 Model Identification ..............................................................................4 Customer Service...................................................................................
Section 1 Safety Information Throughout this manual and on machine decals, you will find precautionary statements (i.e. “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 the presence of a hazard that will cause severe personal injury, death or substantial property damage if the danger is ignored.
Safety Information IMPORTANT INFORMATION: During the lifetime of your tumbler, it may require service. The information contained in this manual was written and is intended for use by qualified service technicians who are familiar with the safety procedures required in the repair of your tumbler, and who are equipped with the proper tools and testing equipment.
Section 2 Introduction Model Identification Information in this manual is applicable to these models: Gas AT120FG DC120FG DT120FG JC120FG JT120FG SC120FG ST120FG 4 AT170FG DC170FG DT170FG JC170FG JT170FG SC170FG ST170FG Steam/Thermal Oil AT120CSH AT170CSH DC120CSH DC170CSH DT120CSH DT170CSH JC120CSH JC170CSH JT120CSH JT170CSH SC120AT SC170CSH SC120CSH ST170CSH ST120AT ST120CSH © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70410601
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. Serial Plate Location When calling or writing about your product, be sure to mention model and serial numbers. Model and serial numbers are located on serial plate as shown.
Introduction Safety Warnings and Decals SAFETY WARNINGS and decals have been provided in key locations to remind you of important precautions for the safe operation and maintenance of your tumbler. Please take the time to review these warnings before proceeding with service work. All decals have been designed and applied to withstand washing and cleaning. Decals should be checked periodically to be sure they have not been damaged, removed, or painted.
Section 3 Troubleshooting WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the tumbler before servicing. • Close gas shut-off valve to gas tumbler before servicing. • Close steam valve to steam tumbler before servicing. • Never start the tumbler with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded.
Troubleshooting 1. Motor Does Not Start Motor Does Not Start Is the electrical power off or circuit breaker fuse blown? Is there broken, loose, or incorrect wiring? Yes Check power supply, or replace fuses. No Yes Refer to wiring diagram. No Is the transformer inoperative? Yes Test and replace if necessary. No Is the loading door switch not closed or switch inoperative? Yes Close door, panel or test switch and replace if inoperative.
Troubleshooting 2. Motor Overload Protector Cycles Repeatedly Motor Overload Protector Cycles Repeatedly Yes Is voltage correct? No Is clothes load too large? Yes Refer to Installation Manual for electrical requirements. Remove part of load. No Is clothes cylinder binding? Yes Check cylinder for binding. No Yes Is wiring adequate? Check with local power company to ensure that wiring is adequate. No Yes Is make-up air adequate? Refer to Installation Manual for make-up air requirements.
Troubleshooting 3. Motor Runs But Cylinder Does Not Turn Motor Runs But Cylinder Does Not Turn Is cylinder belt broken or loose? Yes Replace or adjust cylinder belt. No Is cylinder binding? Yes Check cylinder for binding. Yes Tighten drive pulley bushing screws. No Is motor drive pulley loose? No Is drive belt broken or loose? Yes Replace or adjust drive belt.
Troubleshooting 4. Motor Does Not Stop Motor Does Not Stop Is the door switch not working properly? Yes Test switches and replace if inoperative. Refer to Installation Manual for proper switch adjustment. No Is wiring incorrect? Refer to wiring diagram. Yes No Is timer inoperative? Yes Test timer and replace if inoperative. No Is motor contactor inoperative? Yes Test motor contactor and replace if inoperative.
Troubleshooting 5. Gas Burner Does Not Ignite Burner Does Not Ignite Is there an improper or inadequate exhaust system? Refer to Installation Manual for exhaust system requirements. Yes Are the orifices incorrect? No Tumbler is equipped for type of gas specified on serial Yes plate. If orifices are different from that specified on serial plate, obtain and install correct orifices.
Troubleshooting 5. Gas Burner Does Not Ignite (continued) Continued from previous page Is fan rotation improper? Is the lint door panel not closed properly? Yes Yes Open lint door panel, place lint door and panel back on tumbler (ensuring a tight fit). May be due to improper wiring resulting in low air flow. Refer to Installation Manual. No Is there broken, loose or incorrect wiring? Yes Refer to wiring diagram. No Is there an inoperative igniter? Yes Test igniter and replace if inoperative.
Troubleshooting 6. Burner Ignites and Goes Out Repeatedly Burner Ignites and Goes Out Repeatedly Is there insufficient gas pressure? Check gas supply and pressure. Yes Low flame will not maintain sensor conductivity. Yes Check burner tubes for build-up. Yes Test thermostat and replace if inoperative. Yes No Is there inadequate make-up air? No Are the burner ports plugged? Does tumbler have improper orifices? Tumbler is equipped for type of gas specified on serial plate.
Troubleshooting 7. Burner Shuts OFF Prematurely Burner shuts off prematurely Is there improper or inadequate exhaust and/or make-up air? Refer to Installation Manual Yes for exhaust and make-up air requirements. No Is there insufficient gas supply? Yes No Is tumbler not properly equipped for type of gas used? Yes No Is burner flame improperly adjusted? Yes Open partially closed gas shut-off valve or correct low pressure.
Troubleshooting 8. Burner Repeatedly Cycles Off on High Limit Thermostat Burner repeatedly cycles off on high limit thermostat Is external exhaust system longer than recommended or is there inadequate make-up air? Yes Refer to Installation Manual for exhaust and make-up air requirements. Is high limit thermostat cycling at too low a temperature? Yes Replace thermostat. No Is lint screen clogged? Remove screen and clean.
Troubleshooting 9. Steam Valve or Burner Does Not Shut Off Steam Valve or Burner Does Not Shut Off Are there impurities on gas or steam valve seat, preventing valve from closing? Yes Replace gas valve or disassemble and clean steam valve. No Is wiring correct? Yes Refer to wiring diagram. No Is drying timer inoperative? Yes Replace timer.
Troubleshooting 10. Clothes Do Not Dry Clothes Do Not Dry Is there enough heating time allocated for the load? Yes Start cycle again with enough time to dry load. Does heat source shut off prematurely? Yes Refer to Flowchart 17. No No Is the heat source inoperative? Yes Refer to Flowchart 17. Is the drying selector improperly set? Yes Set selector for higher setting.
Troubleshooting 11. Tumbler Overheating Tumbler Overheating Gas Models: Does tumbler have incorrect main burner orifices? Yes Obtain and install correct orifices. Is the exhaust system restricted or inadequate? Yes Remove obstruction or lint build up from exhaust ductwork. Refer to Installation Manual for exhaust system requirements. No No Gas Models: Is gas pressure too high or low? Yes Adjust gas pressure as specified on serial plate. Is the thermostat inoperative? Yes Replace thermostat.
Troubleshooting 12. Burner Not Burning Properly Burner Not Burning Properly Are burner air shutters incorrectly adjusted? Yes Refer to Installation Manual for proper flame adjustment. No Is there lint/dirt in burner tube? Is the airflow switch not functioning properly? Yes Replace airflow switch. No Yes Disassemble burner and blow out the dirt. Is there inadequate make-up air? Yes Refer to Installation Manual for make-up air requirements.
Troubleshooting 13. Loading Door Opens During Operation Loading Door Opens During Operation Is tumbler improperly leveled? Yes Refer to Installation Manual for leveling leg adjustment. Yes Remove part of load and restart tumbler. No Is clothes load too large? No Is door strike adjusted incorrectly? Yes Refer to Installation Manual for strike adjustment.
Troubleshooting 14. Tumbler Runs But No Steam to Coils – Steam Models Tumbler runs but no steam to coils - Steam Models Are valves closed? Yes Check all valves in supply and return lines, make sure they are open. No Is steam trap blocked? Yes Remove trap and clean. Replace if inoperative. Yes Check operation of solenoid valve. No Is solenoid valve inoperative? No Is check valve incorrectly installed? Yes Check for inlet and outlet markings on check valve and invert if necessary.
Troubleshooting 15. Water In Steam Line – Steam Models Water in steam line - Steam Models Is steam piping installed incorrectly? Yes Refer to Installation Manual for steam requirements. No Is trap functioning improperly? Yes Check trap for size and capacity. If trap is dirty or sluggish clean thoroughly or replace. Check return line for high back pressure.
Troubleshooting 16. Tumbler Will Not Start, Time On Drying Timer, Door Closed Tumbler Will Not Start, Time On Drying Timer, Door Closed Is there line voltage into transformer? Yes Is there control (120 VAC) voltage out of transformer? No Is there 120 volts out of door switch? Yes Replace transformer. Replace fuse.
Troubleshooting 16. Tumbler Will Not Start, Time On Drying Timer, Door Closed (continued) Continued from previous page Is there 120 volts into push-to-start switch? Yes Press push-to-start switch. Is there 120 volts out of push-to-start switch? No Yes Is there 120 volts across fan contactor coil? Yes Replace fan contactor. No No Check for broken wire from control relay terminal 1. Replace push-to-start switch. Check for broken wire or poor connection at harness plug.
Troubleshooting 17. Motor Runs But Will Not Heat Replace IEI control. Motor Runs But Will Not Heat Is igniter sparking? No Is IEI control in safety lockout? Yes No Is resistance of high voltage lead greater than 28,000 ohms or less than 10,500 ohms? No Is igniter gap not 5/32 inch (.397 cm) or is ceramic cracked? No Yes Is green wire from IEI control connected to ground terminal? Open and close door. Yes Yes No Replace high voltage lead. Regap or replace igniter.
Troubleshooting 18. Cylinder Turns, But Will Not Heat Cylinder Turns, But Will Not Heat Is airflow light glowing? Yes Is fan turning counter-clockwise as viewed from the front? Yes Refer to Installation Manual for makeup air and exhaust duct requirements. No No Is gas shut-off valve open? No Open gas shut-off valve. Yes Is 120 volts present at output terminal of main thermostat? Yes Check for broken or loose wire to ignition control.
Troubleshooting 18. Cylinder Turns, But Will Not Heat (continued) Continued from previous page Is 120 volts present on red wire of fan motor? Is 120 volts present at output terminal of airflow switch? Yes Check for broken or loose wire to stove high limit thermostat. Is 120 volts present at input terminal of airflow switch? Yes Replace airflow switch. Is 120 volts present at output terminal of exhaust high limit thermostat? Yes Check for broken or loose wire to airflow switch.
Section 4 Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the tumbler before servicing. • Close gas shut-off valve to gas tumbler before servicing. • Close steam valve to steam tumbler before servicing. • Never start the tumbler with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded. W002 19.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the tumbler before servicing. • Close gas shut-off valve to gas tumbler before servicing. • Close steam valve to steam tumbler before servicing. • Never start the tumbler with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded. W002 20.
Adjustments WARNING To reduce the risk of electric shock, fire, explosion, serious injury or death: • Disconnect electric power to the tumbler before servicing. • Close gas shut-off valve to gas tumbler before servicing. • Close steam valve to steam tumbler before servicing. • Never start the tumbler with any guards/panels removed. • Whenever ground wires are removed during servicing, these ground wires must be reconnected to ensure that the tumbler is properly grounded. W002 22.
Adjustments Inside Front of Cylinder Cylinder Rim 8/32" ± 3/32" 9/32" ± 1/32" Front Panel Flange (Top Shown) Cylinder Rim / Front Panel Flange Clearance Fore / Aft Clearance T218S Figure 4 Rear Adjusting Screw Adjusting Screw Locknut Rear Bearing Mounting Screw TMB1500S Front Bearing Assembly Collar Rear Bearing Assembly Collar Front Adjusting Screw Figure 5 32 © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT 70409601
