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Problem Possible Cause Remedy
[3] Compressor will
not start or stops
operating. (continued)
c) Internal Overload
Protector Open (check
1 through 3 to the right
and d through f below)
1. Loose terminal. 1. Tighten or replace.
2. Voltage. 2. Check and correct.
3. Dirty condenser. 3. Clean.
d) Starter 1. Bad contacts. 1. Check and replace.
2. Coil winding open. 2. Replace.
e) Compressor 1. Power supply not
within specications.
1. Refer to nameplate and
correct.
2. Wiring to compressor. 2. Check for loose
connection or open, and
replace.
3. Defective. 3. Replace.
4. Protector tripped. 4. Reduce temperature.
f) Control Board 1. No power to contactor. 1. See "IV.B. Control Board
Check."
[4] Water continues to
be supplied in freeze
cycle.
a) Water Pressure 1. Too high. 1. Reduce.
b) Inlet Water Valve 1. Diaphragm does not
close.
1. Check for water leaks with
icemaker off.
c) Control Board 1. Defective. 1. See "IV.B. Control Board
Check."
[5] Pump motor will not
start.
a) Pump Motor 1. Motor winding open. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to pump motor. 3. Check for loose
connection or open, and
replace.
4. Defective capacitor. 4. Replace.
5. Defective or bound
impeller.
5. Replace and clean.
6. Mechanical seal worn
out.
6. Check and replace.
b) Control Board 1. Defective. 1. See "IV.B. Control Board
Check."
c) Control Switch 1. Bad contacts. 1. Replace.
[6] Freeze cycle time is
too short.
a) Pump Out Check Valve 1. Leaking by. 1. Clean or replace.
b) Float Switch 1. Dirty or erratic
operation.
1. Clean or replace.
c) Control Board 1. Defective. 1. See "IV.B. Control Board
Check."
d) Water System 1. Water leaks. 1. Check connections for
water leaks, and replace.
[7] Fan motor will
not start, or is not
operating (except
water-cooled model).
a) Fan Motor 1. Motor winding open. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to fan motor. 3. Check for loose
connection or open, and
replace.
4. Defective capacitor. 4. Replace.
5. Fan blade bound. 5. Check and replace.