Service Manual

28
No Ice Production - Possible Cause
Freeze Cycle
1. Control Board
See "II.C. Control Board Check."
a) Defective.
2. Start Relay/Capacitor a) Defective.
3. Compressor a) Open motor windings.
b) Mechanical Failure.
4. Fan Motor a) Open motor windings.
b) Mechanical failure or fan blade binding.
5. Evaporator a) Dirty.
b) Damaged or defective.
6. Refrigerant Charge a) Low.
7. Drain Valve a) Dirty, leaking by.
8. Water System a) Water leaks.
9. Evaporator Heater
(-C model)
a) Defective.
Rell
1. Float Switch
See "II.E. Float Switch Check
and Cleaning."
a) Dirty/sticking.
b) Defective.
2. Inlet Water Valve a) Screen or orice clogged.
b) Defective.
3. Water Supply a) Water supply off or improper water pressure (10 to 113 PSIG).
b) External water lters clogged.
4. Control Board
See "II.C. Control Board Check."
a) Defective.
Shutdown
1. Bin Control
See "II.D. Bin Control Check."
a) Proximity switch stuck closed.
b) Actuator paddle does not move freely.
2. Control Board
See "II.C. Control Board Check."
a) Defective.
Drain Cycle
1. Control Board
See "II.C. Control Board Check."
a) Defective.
2. Drain Valve a) Defective.
3. Control Switch a) Defective.