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F. Diagnostic Charts
1. No Ice Production
Problem Possible Cause Remedy
[]
The icemaker will not
start.
a) Power Supply . Off, blown fuse, or
tripped breaker.
. Turn on, replace, or reset.
.
Loose connection. . Tighten.
3. Bad contacts. 3. Check for continuity and
replace.
4. Not within
specications.
4. Refer to nameplate and
correct.
b) Transformer (5V
primary) (3 phase only)
. Voltage tap switch
does not match
incoming voltage.
. Verify incoming voltage,
move switch to proper
setting.
.
Coil winding open or
shorted.
. Replace.
c) Water Supply .Water supply off or
pressure too low.
. Check and get
recommended pressure.
d) Thermostatic Bin
Control
. Tripped with bin lled
with ice.
. Remove ice.
.
Ambient temperature
too cool.
. Increase ambient
temperature.
3. Set too warm. 3. See "IV.C.. Thermostatic
Bin Control Check."
4. Bulb out of position. 4. Place in position.
5. Bad contacts. 5. Check for continuity and
replace.
e) Fuse (Control Box) . Blown. . Check for short circuit and
replace.
f) Control Switch . "OFF" or "WASH"
position.
. Move to "ICE" position.
.
Bad contacts. . Check for continuity and
replace.
g) High Pressure Control . Bad contacts. . Check for continuity and
replace.
.
Dirty air lter or
condenser.
. Clean.
3. Ambient or condenser
water temperature too
warm.
3. Reduce temperature.
4. Refrigerant
overcharged.
4. Recover, evacuate, and
recharge.
5. Fan not operating
(except water-cooled
model).
5. See chart .[7].
6. Refrigerant lines or
components restricted.
6. Recover, repair, replace
drier, evacuate and
recharge.
7. Condenser water
pressure too low or off
(water-cooled model).
7. Check and get
recommended pressure.