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PROBLEM POSSIBLE CAUSE REMEDY
l) Controller Board 1. Defective 1. See “II.2[e] CHECKING
CONTROLLER BOARD.”
[2] Water a) Float switch 1. Connector disconnected. 1. Place in position.
continues to 2. Leads opened or defective 2. Check and replace.
be supplied, switch.
and the ice- 3. Float does not move freely. 3. Clean or replace.
maker will not b) Controller Board 1. Defective. 1. Replace.
start.
[3] Compressor a) Control Switch 1. “SERVICE” position. 1. Move to “ICE” position.
2. Bad contacts. 2. Check and replace.
b) High Pressure 1. Dirty Air Filter or 1. Clean.
Controller Condenser.
2. Ambient or condenser 2. Reduce ambient temp.
water temp. too warm.
3. Refrigerant overcharged. 3. Recharge.
4. Condenser water pressure 4. Check and get
too low or off. [Water- recommended pressure.
cooled model only].
5. Fan not operating. [Except 5. See chart 1 - [6].
water-cooled model].
6. Refrigerant line or 6. Clean and replace Drier.
components plugged.
c) Water Regulator 1. Set too high. 1. Adjust lower.
d) Overload Protector 1. Bad contacts. 1. Check for continuity and
replace.
2. Voltage too low. 2. Increase voltage.
3. Refrigerant overcharged or 3. Recharge.
undercharged.
4. Line Valve continues to 4. Check Line Valve's
close in freeze cycle and operation in freeze cycle
Overload Protector and replace.
operates.
e) Starter 1. Bad contacts. 1. Check and replace.
2. Coil winding opened. 2. Replace.
f) Start Capacitor or 1. Defective. 1. Replace.
Run Capacitor
g) Magnetic Contactor 1. Bad contacts. 1. Check for continuity and
replace.
2. Coil winding opened. 2. Replace.
h) Compressor 1. Wiring to Compressor. 1. Check for loose
connection or open, and
replace.
2. Defective. 2. Replace.
3. Protector tripped. 3. Reduce temperature.
i) Controller board 1. Defective. 1. See “II.2. [e] CHECKING
CONTROLLER BOARD.”