47
Problem
Possible Cause
Remedy
[3]Other.
a) Ice Cube Guide
1. Out of position.
1. Place in position.
b) Bin Control
1. Movement restricted.
1. Check and free.
2. Defective.
2. See "IV.C. Bin Control
Check and Cleaning."
3. Low Ice Production
Problem
Possible Cause
Remedy
[1] Freeze cycle time is
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 or switch
defective.
1. Clean or replace. See "IV.
D. Float Switch Check and
Cleaning."
c) Thermistor
1. Disconnected, loose,
or defective.
1. Connect, secure, check.
See "V.J. Removal
and Replacement of
Thermistor" and "IV.E.
Thermistor Check."
d) Evaporator
1. Scaled up.
1. Clean.
2. Damaged.
2. Replace.
e) Spray Tubes
1. Dirty.
1. Clean.
2. Out of position.
2. Place in position.
f) Pump Motor
1. RPM too slow.
1. See chart 1.[5].
g) Condenser (except
water-cooled model)
1. Air filter or condenser
clogged.
1. Clean.
h) Refrigerant Charge
1. Low charge.
1. Check for leaks. Recover,
repair, evacuate, and
recharge.
i) Hot Gas Valve
1. Open.
1. Check and replace.
j) Expansion Valve
1. Bulb loose.
1. Secure bulb.
2. Operating erratically.
2. Check and replace.
k) Compressor
1. Erratic or off.
1. See chart 1.[3].
l) Condenser Water
(water-cooled model)
1. Water regulating valve
set too high.
1. Adjust or replace. See
"V.I. Adjustment of
Water Regulating Valve
(water-cooled model)."
2. Condenser water
pressure too low.
2. Check and get
recommended pressure.
3. Water temperature out
of specification.
3. Correct to specification.
m)Liquid Line Valve
1. Erratic, sticking.
1. Check and replace.
n) Headmaster (C.P.R.)
(remote condenser
unit)
1. Bypassing.
1. Replace.
