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Problem Possible Cause Remedy
[3] Continued from
previous page.
h) Controller Board 1. Defective. 1. See "II.2[e] Checking the
Controller Board."
i) Water Regulator [Water
-
cooled model only]
1. Set too high. 1. Adjust lower.
1. Refrigerant undercharged. 1. Recharge.
2. Cooling fan not operating. 2. See chart 1.[6].
[4] a) Water Solenoid Valve 1. Diaphragm does not close. 1. Check for water leaks with
icemaker off.
b) Controller Board 1. Defective. 1. See "II.2[e] Checking the
Controller Board."
[5] a) Water Supply Line 1. Water pressure too low
and water level in water
tank too low.
1. Check and get
recommended pressure.
b) Water Solenoid Valve 1. Dirty mesh filter or orifice
and water level in water
tank too low.
1. Clean.
c) Water System 1. Water leaks. 1. Check connections for
water leaks, and replace.
2. Clogged. 2. Clean.
d) Pump Motor 1. Motor winding opened. 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.
e) Controller Board 1. Defective. 1. See "II.2[e] Checking the
Controller Board."
[6] a) Fan Motor 1. Motor winding opened. 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.
b) Controller Board 1. Defective. 1. See "II.2[e] Checking the
Controller Board."
[7] a) Refrigerant 1. Undercharged. 1. Check for leaks and
recharge.
2. Air or moisture trapped. 2. Replace drier and
recharge.
b) Compressor 1. Defective valve. 1. Replace.
c) Hot Gas Solenoid
Valve
1. Continues to open in
freeze cycle.
1. Check and replace.
d) Line Valve 1. Continues to close in
freeze cycle.
1. Check and replace.
Fan Motor will not
start, or is not
operating.
All components run,
but no ice is
produced.
j) Discharge Temp.
Switch
Water continues to
be supplied in freeze
cycle.
No water comes from
spray tubes. Water
pump will not start, or
freeze cycle time is
too short.