Trouble Shooting Guide CMA Dishmachines 12700 Knott Street Garden Grove, CA.
Table of Contents Machine Will Not Start………………………….…….………...2 Wash Pump Runs – Timer Will Not Cycle………….………...3 Machine Cycles, Normal Wash Pump Will Not Run………...4 Machine Will Not Turn Off……………………………………...5 Dishwasher Will Not Drain, Drain Bill Not Lifting…………….6 Drain Will Not Close, Drain Ball Will Not Fall………………...7 Chemical Pumps Will Not Run …………………..….………...8 Machine Will Not Fill With Water – Machine Runs ………….9 Machine Only Fills During The Wash Cycle ………………..
Machine Will Not Start Machine Will Not Start ON Always Set To Normal Check Main Circuit Breaker On/ Off Reset Quick Disconnect Check Normal/Off/Delime Switch Set to Normal Position Check MasterPower Switch Check Door Safety Switch No voltage Washer Side Check Ice-cube Relay Replace MasterPower Switch Check Start Micro Switch Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Wash Pump Runs – Timer Will Not Cycle Cycle of Operation: Door Safety Switch Ice-Cube Relay Ice-Cube Relay Replace Ice-cube Relay Start Micro Switch Cycle Reset Micro Switch Machine Runs Normal Only When The Start Switch is Used, But Will Not Auto-Start Check/Test Door Safety Switch Is There Voltage At Switch Yes/No Ice-Cube Relay Okay Check Start Micro Switch Check Cycle Reset Micro Switch If Yes Replace Door Safety Switch Parts and Service Manuals Are Available At: www.cmadishmachines.
Machine Cycles, Normal Wash Pump Will Not Run Machine Cycles, Normally But Wash Pump Will Not Run Check Voltage to Motor Contactor Brown to White Coil Wires Voltage Okay No Voltage Check wire Connection Check Ice-cube Relay Red Wires Check Start Micro Switch Check Motor Pause Micro Switch Motor contactor Replace Motor Contactor Check Voltage Black Wire on Relay to Wire Check Ice-cube Relay Red Wires Brown Wires To Top & Middle Terminals Voltage Okay No Voltage Check Voltage At Wash Pump Wires
Machine Will Not Turn Off Machine Will Not Turn Off Timer Stops But Wash Pump Stays Running Still Running Timer Remains Running Disconnect Red Wire(s) From Start/Fill Switch Replace If Necessary Check Relay Check Start Micro witch Replace If Necessary Replace If Necessary Check Door Switch Check Start Micro Switch Change Motor Contactor Check Contactor Replace If Necessary Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Dishwasher Will Not Drain, Drain Bill Not Lifting. Dishwasher Will Not Drain Drain Ball will Not Lift Check drain Switch Operation Check Micro Switch In Cam Timer (Drain) No Voltage Check Voltage To: Drain Solenoid, Drain Valve, & Drain Pump Check Drain Micro Switch Check Orange to White Check Wire Connections Check Ice-cube Relay Voltage Voltage Okay Replace Drain Solenoid, Drain Valve, or Drain Pump Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Drain Will Not Close, Drain Ball Will Not Fall Drain Will Not Close Or Drain Ball Will Not Fall Drain Valve Drain Ball Check Drain Spring Check Drain Ball Chain For Kinks Check Voltage to Drain Solenoid Replace Drain Solenoid Check Solenoid Alignment And For Build-up of Metal Dust Or Debris Check Drain Valve Motor Check For Debris Inside Drain Valve Replace Drain Valve Assembly Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Chemical Pumps Will Not Run Chemical Pumps Will Not Run Detergent-Rinse Aid-Sanitizer Check Voltage Rinse Aid Micro Switch Cam In Timer (Blue Wire) Check Voltage Detergent Micro Switch Cam In Timer (Blue Wire) Check Voltage Sanitizer Micro Switch Cam In Timer (Blue Wire) No Voltage Voltage Okay Check Ice-Cube Relay Replace Detergent Micro Switch Check Timer motor Connections Replace Rinse Aid Micro Switch Replace Sanitizer Micro Switch No Voltage Voltage Okay Check/Replace Prime Switch Replace
Machine Will Not Fill With Water – Machine Runs Machine Will Not Fill with Water Machine Runs Check Water Supply at Wall Check Line Strainer in Ball Valve Repair Wire Connection as needed Clean/Remove Debris Check Voltage at Water Valve Coil Replace Coil If Needed To check Coil Without Meter: Remove coil From Valve, Insert Screwdriver into Armature Hole of Coil. Depress the Start-Fill Switch, a Magnetic Field Will Pull Screwdriver in.
Machine only Fills During The Wash Cycle Fill Valve only Runs During the Wash Cycle Check Voltage to the Water Valve, at the coil wires. {Black & White Wires} No Voltage Voltage Okay Replace Fill Switch Check Wire Connections Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Machine Only Fills When Fill Switch is Used Fills With Water Only When The Fill Switch is depressed Check Voltage At Fill/Flush Micro Switch & Ice-Cube Relay Black To white Wire On Timer Motor No Voltage Voltage Okay Replace Fill/Flush Micro Switch Check Wire Connections Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Fill Valve only Runs During the Wash Cycle Fill Valve only Runs During the Wash Cycle Check Voltage To The Water Valve, At The Coil Wires. {Black & White Wires} Does Not Shut Off Voltage Okay Turn Off Master Switch {Reconnect Black wire} Replace Fill/Flush Micro Switch Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Fill Water Will Not Shut Off Fill Water Will Not Shut Turn Off Master Switch Valve Shuts Off Valve Does Not Shuts Off Disconnect Black Wire From Fill Switch (Turn Master Switch On) Replace Fill Valve Diaphragm, Plunger, & Spring Shut Off No Voltage Replace Fill Valve Solenoid Replace Fill Switch Replace Fill Switch Replace Fill Switch Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Wash Tank Heater Is Not Getting Hot Wash Tank Heater Not Turning On Check voltage At Wash Tank Element No Voltage Check Float Switch Clean & Voltage Okay Check Heater Element {Replace If Necessary} {Replace If necessary} Check & Reset High-limit Switch {Replace If Necessary} Check Thermostat {Replace If Necessary} Check Wash Tank Heater Contactor {Replace If Necessary} Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Booster Heat Not Getting Hot (Final Rinse) Booster Heater Not Getting Hot (Final Rinse Temp Low) Check Hi-Limit Switch Check Thermostat Replace {If Necessary} Check Booster Heater Contactor Check Heater Element Voltage to Coil Test Element Coils (Using Continuity/Amp Draw) Yes Replace {If Necessary} Check Voltage At (L-1, L-2, L-3) Replace Contactor {If Necessary} Parts and Service Manuals Are Available At: www.cmadishmachines.com/products.
Peace of Mind For More Information On How You Can Put The CMA Family To Work For You Call: (800) 854-6417 CMA Dishmachines 12700 Knott Street Garden Grove, CA. 92841 (800) 854-6417 (714) 895-2141 www.cmadishmachines.com/products.
