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Operation
3.6. Troubleshooting
PROBLEM LIKELY CAUSE SOLUTION
Power off at circuit breaker Reset circuit breaker Machine inoperative
Defective power switch Replace power switch
P/N: 15521.50
Door is open Close door
Control panel is pulled out Secure control panel
Defective reed switch Replace reed switch
P/N: 00557.55
Defective timer assembly Replace timer assembly*
P/N: 14408.80
Defective pump motor contactor Replace contactor
P/N: 15504.00
Motor inoperative
Defective motor Replace motor
P/N: 00201.66
Defective reed switch Replace reed switch
P/N: 00557.55
Motor runs with door open
Defective pump motor contactor Replace contactor
P/N: 15504.00
High limit switch opened or
defective
Reset or replace switch
P/N: 17523.51
Defective thermostat Replace thermostat
P/N: 13417.89
Defective heater contactor Replace heater contactor
P/N: 15504.50
Heater (no heat)
Defective heater Replace heater
P/N: 15517.00
Defective thermostat Replace thermostat
P/N: 13417.89
Heater (never turns off)
Defective heater contactor Replace heater contactor
P/N: 15504.50
*The timer assembly motor (P/N: 00501.00) or micro switches (P/N: 00411.00) can be replaced
independently if that’s the only component that’s failed.
MODEL CMA-180UC INSTALLATION & OPERATION MANUAL Rev. 1.15 Page
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