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IV. Service Diagnosis
1. No Ice Production
Problem Possible Cause Remedy
[1] a) Power Supply 1. OFF position. 1. Move to ON position.
2. Loose connection. 2. Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Voltage too high. 4. Check and get
recommended voltage.
b) Fuse (Inside fused
disconnect, if any)
1. Blown. 1. Check for short circuit and
replace.
c) Control Switch 1. OFF position. 1. Move to ICE position.
2. Bad contacts. 2. Check for continuity and
replace.
d) Bin Control 1. See "II.3.[c]
Troubleshooting."
e) High Pressure Control 1. Bad contacts. 1. Check for continuity and
replace.
f) Transformer 1. Thermal fuse blown or coil
winding opened.
1. Replace.
g) Wiring to Controller
Board
1. Loose connections or
open.
1. Check for continuity and
replace.
h) Thermistor 1. Leads short-circuit or open
and high temperature
safety operates.
1. See "II.2.[d] Controls and
Adjustments, 1) Defrost
Control."
i) Hot Gas Solenoid
Valve
1. Continues to open in
freeze cycle and high
temperature safety
operates.
1. Check for power off in
freeze cycle and replace.
j) Water Supply Line 1. Water supply off and water
supply cycle does not
finish.
1. Check and get
recommended pressure.
2. Condenser water pressure
too low or off and pressure
control opens and closes
frequently to finally
operate high temperature
safety.
2. Check and get
recommended pressure.
k) Water Solenoid 1. Mesh filter or orifice gets
clogged and water supply
cycle does not finish.
1. Clean.
2. Coil winding opened. 2. Replace.
3. Wiring to water valve. 3. Check for loose
connection or open, and
replace.
The icemaker will not
start.