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C. Diagnostic Charts
1. No Ice Production
Problem
Possible Cause
Remedy
[1] The icemaker will not
start. (Fill Cycle)
a) Power Supply
1. Off, blown fuse, or
tripped breaker.
1. Turn on, replace, or reset.
. Power cord
unplugged.
. Plug into receptacle.
3. Loose connection.
3. Tighten.
4. Bad contacts.
4. Check for continuity and
replace.
5. Not within
specifications.
5. Refer to nameplate and
correct.
b) Water Supply
1. Water supply off or
pressure too low.
1. Check and get
recommended pressure.
c) Power Switch
(Control Box)
1. "OFF" position.
1. Move to "ON" position.
. Bad contacts.
. Check for continuity and
replace.
d) Safety Switch and
Relay
1. Bin control not
activating and ice
backed up.
1. Check bin control actuator
and switch.
e) Transformer
1. Coil winding open.
1. Replace.
f) Fuses ()
1. Blown.
1. Check for short circuit and
replace.
g) Control Switch
1. "OFF" or "DRAIN"
position.
1. Move to "ICE" position.
. Bad contacts.
. Check for continuity and
replace.
h) Water Control Relay
1. Bad contacts.
1. Check for continuity and
replace.
. Coil winding open.
. Replace.
i) Inlet Water Valve
1. Mesh filter or orifice
clogged.
1. Clean.
. Coil winding open.
. Replace.
3. Wiring to inlet water
valve.
3. Check for loose or open
connection. Repair or
replace.
j) Float Switch
1. Bad contacts.
1. Check for continuity and
replace.
. Float does not move
freely.
. Clean or replace.
k) Bin Control
1. Open.
1. Bin full, check for
continuity on proximity
switch.
. Actuator sticking.
. Adjust or replace.
3. Proximity switch open. 3. Replace.
l) High Pressure Switch
1. Bad contacts.
1. Check for continuity and
replace.
. Dirty air filter or
condenser.
. Clean.
