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Troubleshooting
Model C602
General Troubleshooting Guide
PROBLEM CAUSE REMEDY
1. Compressor will not run. a. The power switch is in the OFF
position.
a. Place the switch in the ON
position.
b. An incorrect key was pressed. b. Press the correct key for AUTO
operation.
c. The contactor is faulty. c. Replace the contactor.
d. The compressor has burned out. d. Replace the compressor.
e. The fuse or circuit breaker has
blown.
e. Replace the fuse, or turn on the
breaker.
f. Tripped overload (compressor). f. Place the power switch in the OFF
position, and allow the compressor
to cool and the overload to close
before returning the power switch
to the ON position.
g. Off on reset (beater motor). g. Press the reset button.
2. Unit operates long (cycles off on
the 11 minute safety timer).
a. Condenser is dirty. a. Clean the condenser.
b. Air filter is dirty. b. Replace the air filter.
c. Shortage of refrigerant. c. Repair the leak and recharge unit.
d. Air in the system. d. Purge and recharge the system.
e. High overrun product. e. Check pump operation for correct
air/mix ratio.
3. Head pressure is too high. a. Condenser is dirty. a. Clean the condenser.
b. Air filter is dirty. b. Replace the air filter.
c. Water valve is out of adjustment or
is restricted.
c. Check the adjustment and the
water supply.
d. Insufficient air space around unit. d. Make sure there is sufficient air
space surrounding the unit (see
“Specifications”).
e. Refrigerant overcharge. e. Correct the refrigerant charge.
f. Blower is faulty . f. Replace the blower.
g. The air deflector is not properly
installed, recirculating warm air into
the condenser.
g. Properly install the air deflector.
4. Head pressure is too low. a. Refrigerant shortage. a. Repair leak and recharge.
5. Liquid line is hot. a. Shortage of refrigerant. a. Repair leak and recharge.
6. Leaking door spout. a. Improper lubrication. a. Lubricate according to instructions
in the operator’s manual.
b. Worn or nicked o -ring. b. Replace the o -ring.
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