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Problem Possible Cause Remedy
2.
Clogged. 2. Clean.
3. Pump out check valve
leaking by.
3. Check assembly and
clean.
d)Pump Motor 1. Motor winding opened. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to pump motor. 3. Check for loose
connection or open, and
replace.
4. Defective capacitor. 4.Replace.
5. Defective or bound
impeller.
5. Replace and clean.
6. Mechanical seal worn
out.
6. Check and replace.
e)Control Board 1. Defective. 1. See "II.C.4. Control Board
Check Procedure."
[6] Fan motor will
not start, or is not
operating.
a)Fan Motor 1.Motor winding opened. 1. Replace.
2. Bearing worn out. 2. Replace.
3. Wiring to fan motor. 3. Check for loose
connection or open, and
replace.
4. Defective capacitor. 4.Replace.
5. Fan blade bound. 5.Check and replace.
b)Control Board 1. Defective. 1. See "II.C.4. Control Board
Check Procedure."
[7] All components
run, but no ice is
produced.
a)Refrigerant 1. Undercharged. 1. Check for leaks and
recharge.
2.
Air or moisture
trapped.
2. Replace drier and
recharge.
b)Compressor 1. Defective valve. 1. Replace.
c)Hot Gas Valve 1. Continues to open in
freeze cycle.
1. Check and replace.
d)Line Valve 1. Continues to close in
freeze cycle.
1. Check and replace.
e)Inlet Water Valve 1. Water valve is wide
open during freeze.
1. Check for water leaks with
icemaker off.
f) Headmaster (C.P.R.)
(Remote Unit)
1. Not operating properly
and liquid line
temperature too warm.
1. Replace headmaster.
g)Water Supply Line
(water-cooled model
only)
1. Condenser water
pressure too low or off
and pressure control
opens and closes
frequently.
1. Check and get
recommended pressure.
h)Water Regulator
(water-cooled model
only)
1. Set too high. 1. Adjust or replace. See
"V.I. Adjustment of Water
Regulating Valve."