Clover D14A, Service Manual

Page: 8 / 14

Updated on 18 March, 2010
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7. TROUBLESHOOTING GUIDE
TROUBLE POSSIBLE CAUSE REMEDY
REFRIGERATION SYSTEM
A. Compressor does
not run.
No electric power to outlet. Turn on electric power outlet.
The thermostat is misadjusted or defective.
Adjust or replace the thermostat, as
necessary.
The wires leading to the thermostat are
defective or are not connected. Check the internal wiring.
Make repairs as necessary.
The line voltage is low.
Check the line voltage. It must be at least
90% of minimum voltage.
The compressor over-load
Protector (OLP) is defective.
Replace the defective over-load protector.
The starting relay (PTC) is defective. Replace the starting relay.
The compressor is defective.
Replace the compressor.
Return cooler to authorized service center
or factory for repair.
B. Water is adequately
chilled, but cooler runs
excessively or
continuously.
Poor ventilation. Minimum side & rear clearance 4"
The condenser is dirty or restricted.
Clean the condenser or relocate the unit to
prevent restricting the condenser.
The thermostat is defective. (the contacts
are shorted or the control is not adjusted
properly)
Replace or adjust the thermostat as
necessary.
The ambient temperature is high.
It is normal for the cooler to run
continuously at high ambient temperatures.
C. The cooler
compressor runs
continuously, but I do
not have cold water.
There has been a substantial loss in the
sealed system's charge of refrigerant.
If refrigerant leak is suspected, return
cooler to authorized service center or
factory for repair.
The compressor is defective. Same as above.
D. The water cooler
excessively and the
cold water is not cold
enough.
Cold water baffle is not in place.
Check inside the cold tank to make sure
baffle is fully inserted into the mating cold
tank fitting nut.
The condenser is dirty or restricted.
Clean the condenser and relocate the
water cooler to prevent restricting the
condenser.
The cold water thermostat is set high or the
water cooler is in a high ambient
environment.
Check the cold water thermostat setting.
Adjust the setting as necessary.
Usage of the cold water system is greater
than the water cooler capacity. Inform the customer of the cold water
system's maximum capacity.
The refrigeration system is overcharged or
undercharged.
Return water cooler to authorized service
center or factory for repair.
There is a partial restriction in the
refrigeration system.