32
Problem
Possible Cause
Remedy
[7] Fan motor will
not start, or is not
operating (except
water-cooled model).
a) Fan Motor
1. Motor winding open.
1. Replace.
. Bearing worn out.
. 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."
[8] All components
run, but no ice is
produced.
a) Refrigerant
1. Low charge.
1. Check for leaks.
Recover, repair,
evacuate, and
recharge.
. Air or moisture
trapped.
. Replace drier,
evacuate, and
recharge.
b) Compressor
1. Defective.
1. Replace.
c) Hot Gas Valve
1. Continues to open in
freeze cycle.
1. Check and replace.
d) Liquid Line Valve
(if applicable)
1. Continues to close in
freeze cycle.
1. Check and replace.
e) Inlet Water Valve
1. Inlet water valve is
wide open during
freeze.
1. Check for water leaks
with icemaker off.
f) Expansion Valve
1. Bulb loose.
1. Secure bulb.
. Operating erratically.
. Check and replace.
g) Headmaster (C.P.R.)
(remote condenser
unit)
1. Not operating properly
and liquid line
temperature too warm.
1. Replace headmaster.
h) Water Supply Line
(water-cooled models)
1. Condenser water
pressure too low or
off and high pressure
control opens and
closes frequently.
1. Check and get
recommended
pressure.
i) Water Regulating Valve
(water-cooled models)
1. Set too high.
1. Adjust or replace.
See "V.J. Adjustment
of Water Regulating
Valve."
2. Evaporator is Frozen Up
Problem
Possible Cause
Remedy
[1]Freeze cycle time is
too long.
a) Inlet Water Valve
1. Diaphragm does not
close.
1. Check for water leaks with
icemaker off.
b) Float Switch
1. Float does not move
freely.
1. Clean or replace. See "II.
E. Float Switch."
. Defective switch.
. Check and replace. See
"II.E. Float Switch."
