4
Problem Possible Cause Remedy
[5] All components
run, but no ice is
produced. (continued)
d) Evaporator .Defective. .Replace.
e) Water Supply Line
(water-cooled model
only)
.Condenser water
pressure too low or
off and high pressure
control opens and
closes frequently.
.Check and get
recommended pressure.
f) Water Regulating Valve
(water-cooled model
only)
.Water regulating
valve set too high or
clogged (water-cooled
model only).
.Clean, adjust, or replace.
2. Low Ice Production
Problem Possible Cause Remedy
[]Low ice production. a)Evaporator .Dirty or defective. .Clean or replace.
b)Bin Control .Erratic, sticking,
defective.
.Clean or replace.
c)Drain Valve .Leaking water. .Clean or replace.
d)Expansion Valve .Bulb loose. .Secure bulb.
.Operating erratically. .Check and replace.
e)Refrigerant Charge .Low charge. .See "V.B. Service for
Refrigerant Lines."
.Overcharge. . See "V.B. Service for
Refrigerant Lines."
f) Refrigerant Line .Refrigerant line or
component restricted.
.Repair/replace the
clogged line/component
and replace the drier.
g)High-Side Pressure
Too High
.Dirty air lter or
condenser.
.Clean.
.Ambient (or
condenser) water
temperature too warm.
.Reduce temperature.
3.Fan motor slow rpm. 3. See "3. [] a) Fan Motor."
4.Fan motor capacitor. 4.Check and replace.
5.Condenser water
pressure too low or off
(water-cooled model
only).
5.Check and get
recommended pressure.
6.Water regulating
valve set too high or
clogged (water-cooled
model only).
6.Clean, adjust, or replace.
h)Compressor .Inefcient compressor. .Replace
.Faulty thermal
protector (overload).
.Replace compressor.
3.Faulty capacitor/
starter.
3.Replace.