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IV. SERVICE DIAGNOSIS
1. NO ICE PRODUCTION
PROBLEM
POSSIBLE CAUSE
REMEDY
[1] The icemaker
a) Power Supply
1. “OFF” position.
1. Move to “ON” position
will not start
2. Loose connections.
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
1. Blown out.
1. Check for short circuit
Disconnect, if any)
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. Tripped with bin filled
1. Remove ice.
Thermostat
with ice.
2. Ambient temperature
2. Increase ambient
too cool.
temperature.
3. Set too warm.
3. See “II.2.[d]
CONTROLS AND
ADJUSTMENTS, 5) Bin
Control.”
4. Bulb out of position.
4. Place in position.
5. Bad contacts or leaks
5. Check for continuity and
bulb.
replace.
e) High Pressure
1. Bad contacts.
1. Check for continuity and
Control
replace.
f) Transformer
1. Thermal fuse blown out
1. Replace.
or coil winding opened.
g) Wiring to
1. Loose connections or
1. Check for continuity and
Controller Board
open.
replace.
h) Thermistor
1. Leads short-circuit or
1. See “II.2.[d] CONTROLS
open and High Temperature
AND ADJUSTMENTS,
Safety operates. 1) Defrost Control.”
i) Hot Gas Solenoid
1. Continues to open in freeze
1. Check for power off in
Valve
cycle and High Temperature freeze cycle and replace.
Safety operates.
j) Water Supply Line
1. Water supply off and
1. Check and get
water supply cycle does
recommended pressure.
not finish.
2. Condenser water pressure
2. Check and get
too low or off and Pressure recommended pressure.
Control opens and closes
frequently to finally operate
High Temperature Safety.
k) Water Solenoid
1. Mesh filter or orifice gets
1. Clean.
clogged and water supply
cycle does not finish.
2. Coil winding opened.
2. Replace.
3. Wiring to Water Valve.
3. Check for loose
connection or open, and
replace.