CMA Dishmachines CMA-180VL, Service And Parts Manual

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MODEL CMA-180VL Service & Parts Manual Rev. 2.01
Page 17
4. Quick Service Guide
MODEL: CMA 180 VL HIGH TEMP
TECHNICAL ISSUE
CAUSE
SOLUTION
Door magnetic reed switch problem Faulty magnetic reed switch Check wire connections inside control box
Contact factory for new retrofit, corner straight
Door mechanical switch problem Switch alignment issue Align switch
Switch button broke Replace switch
Delimer switch is in
OFF position
Flip to
NORMAL position
Loose wire connections Check and crimp connectors
Pump motor not running Faulty # 3 micro switch in cam timer Replace micro switch
Faulty contactor Replace contactor
Faulty wash pump motor Replace wash pump motor
Faulty # 3 micro switch in cam timer Replace micro switch
Pump motor runs continuous Delimer switch is in DELIME position Flip to NORMAL position
Faulty contactor Replace contactor
Booster heater thermostat not properly set Adjust thermostat
Incoming main water temperature below 140 F Raise water temperature to 140 F
Final rinse water below 180 degree F
Tripped or faulty high limit switch Reset or replace high limit switch
Faulty contactor Replace contactor
Faulty booster heater element Replace heating element
Scaled heating element De- scale heating element
Thermostat is not properly adjusted Adjust thermostat
Loose lead connection Check connectors and secure
Wash tank heater is not operational Tripped or faulty high limit switch Reset or replace high limit switch
Faulty float switch Replace float switch
Faulty contactor Replace contactor
Faulty heating element Replace heating element
Water regulator not adjusted properly Adjust regulator to 18-20 PSI
Clogged final rinse spray jets Clean jets
Low water pressure at the final rinse Missing final rinse spray end cap Replace end cap
Low incoming water pressure from building
Increase pressure
Water solenoid leaks Scaled or dirty solenoid valve Clean valve
Faulty solenoid valve diaphragm Replace diaphragm
Thermostat not properly set Adjust thermostat
Wash water temperature too low/high Scaled heating element Clean scale, delime machine
Faulty temperature gauge Replace gauge
Position or proper operation of door switch Adjust or replace door switch
Delimer switch is on
OFF position
Flip to
NORMAL position
Faulty 1st micro switch in cam timer Replace micro switch
Machine does not operate when the
door is closed Check cam timer motor Replace timer if needed
Check ice cube relay Replace if faulty
Faulty wash pump contactor
Replace contactor