TROUBLESHOOTING
BEFORE CALLING FOR SERVICE
If the unit appears to be malfunctioning, read through NORMAL OPERATION rst. If the problem persists,
check the TROUBLESHOOTING GUIDE. Locate the problem in the guide and refer to the cause and its rem-
edy before calling for service. The problem could be something, which can be solved without a service
call.
GENERAL TROUBLESHOOTING
DANGER
ELECTROCUTION HAZARD!!
NEVER ATTEMPT TO REPAIR OR PERFORM MAINTENANCE 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 freezer defrost crackling is normal.
Controller display is ashing “P1”
• There is a thermostat probe failure.
Controller display is ashing “P2”
• There is an evaporator probe failure.
Controller display is ashing “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 dramatically?
• Is the interior light ON?
Controller display is ashing “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?
32 © 2011 24”, 48” & 72” Cabinet Installation / Operation Manual
Document No. Z2305
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