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Compressor will not run.
No voltage at wall receptacle.
Service cord defective, or unplugged
at wall receptacle.
Low voltage causing compressor to
cycle on overload.
Control thermostat knob in OFF
position.
Inoperative control thermostat.
Compressor stuck.
Compressor windings open.
Defrost timer stuck in defrost mode.
Compressor overload stuck open.
Relay lead loose.
Relay loose or inoperative.
Service cord pulled out of harness.
Faulty cabinet wiring.
Check circuit breaker, fuse or ground
fault circuit interruptors.
Check cord.
Voltage fluctuation should not
exceed +/- 10% of 115vac. (104-127)
Turn control thermostat knob to ON
position.
Replace control thermostat.
Replace compressor.
Replace compressor.
Replace defrost timer.
Replace compressor overload.
Repair or replace lead.
Repair or replace relay.
Repair connection.
Repair wiring.
Check for leaks. *
Replace compressor. *
Replace filter drier. *
Replace heat exchanger and
evaporator assembly.
See NOTE. *
Compressor runs but does not cool. System out of refrigerant.
Compressor not pumping.
Restricted filter drier.
Restricted capillary tube.
Moisture in system.
TROUBLESHOOTING
GUIDE
PROBLEM
CAUSE
SOLUTION
* NOTE: • Repair or replace component that is leaking.
• Replace the compressor if the system is contaminated.
• Blow out remaining part of system with dry Nitrogen.
• Pump down and recharge per listing on product serial plate.
• Always replace filter drier when repairing sealed system.
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