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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 Thermostat 1. Tripped with bin filled with
ice.
1. Remove ice.
2. Ambient temperature too
cool.
2. Increase ambient
temperature.
3. Set too warm. 3. See "II.2.[d] Controls and
Adjustments, 6) Bin
Control."
4. Bulb out of position. 4. Place in position.
5. Bad contacts or leaks in
bulb.
5. Check for continuity and
replace.
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.
The icemaker will not
start.