16
TROUBLESHOOTING
BEFORE CALLING FOR SERVICE
If the unit appears to be malfunctioning, read through
NORMAL OPERATION first. If the problem persists,
check the TROUBLESHOOTING GUIDE. Locate the
problem in the guide and refer to the cause and its remedy
before calling for service. The problem could be some-
thing, which can be solved without a service call.
GENERAL TROUBLESHOOTING
DANGER
ELECTROCUTION HAZARD!!
NEVER ATTEMPT TO REPAIR OR PERFORM MAINTE-
NANCE ON THE UNIT UNTIL THE MAIN ELECTRICAL
POWER HAS BEEN DISCONNECTED.
No interior light
Is the bulb loose?
Is the bulb burned out?
Light stays on when door is closed
Manual ON/OFF light switch is turned ON.
Is the door switch making contact with the door?
Noise during operation
Certain sounds are normal. Soft sounds from the
compressor, fan motor and valves will be heard.
During defrost crackling is normal.
Controller display is flashing “P1”
There is a thermostat probe failure.
Controller display is flashing “P2”
There is an evaporator probe failure.
Controller display is flashing “HA”
The internal compartment temperature has exceeded
the high temperature alarm preset value for over 30
minutes.
Check to ensure door is closed.
Check for door gasket seal.
Did you just install warm product?
Is the condenser clean?
Is the louvered toe plate obstructed?
Has the surrounding ambient temperature changed dra-
matically?
Is the interior light ON?
Controller display is flashing “LA”
The internal compartment temperature has exceeded
the low temperature alarm preset value for over 30
minutes.
Check to ensure door is closed.
Check for door gasket seal.
Has the surrounding ambient temperature changed
dramatically?
Controller display is flashing “EE”
The controller has a data or memory failure
The refrigerated cabinet isn’t running
Is there electrical power to the unit?
Is your home circuit breaker or fuse on?
Is your ON/OFF key pad on?
Is your condenser area clean?