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Problem Possible Cause Remedy
e) Compressor 1. Loose connections. 1. Tighten.
2. Motor winding opened
or grounded.
2. Replace.
3. Compressor locked
and motor protector
tripped.
3. Replace compressor.
f) Power Supply 1. Circuit ampacity too
low.
1. Install a larger-sized
circuit.
[5] Gear motor and
compressor start, but
no ice is produced.
a) Refrigerant Line 1. Gas leaks. 1. Check for leaks with a leak
detector. Replace drier and
charge with refrigerant.
Refrigerant charge is
marked on nameplate or
rating label.
2. Refrigerant line
clogged.
2. Replace the clogged
component.
2. Low Ice Production
Problem Possible Cause Remedy
[1] Low ice production. a)Refrigerant Line 1. Gas leaks. 1. See "2. [5] a) Refrigerant
Line."
2. Refrigerant line
clogged.
2. Replace the clogged
component.
3. Overcharged. 3. Recharge.
b)High-Side Pressure Too
High
1. Dirty air lter or
condenser.
1. Clean.
2. Ambient or condenser
water temperature too
warm.
2. Reduce temperature.
3. Condenser water
pressure too low or off.
[water-cooled model
only]
3. Check and get recom-
mended pressure.
4. Fan, slow rpm. 4. See "3. [1] a) Fan Motor".
5. Water regulating valve
clogged. [water-cooled
model only]
5. Clean.
c) Expansion Valve (not
adjustable)
1. Low-side pressure too
low.
1. Replace.
2. Low-side pressure too
high.
2. See if expansion valve
bulb is mounted properly,
and replace the valve if
necessary.
3. Other