TROUBLESHOOTING GUIDE
Concern Potential Causes Action
Not Cooling Compressor overheating Verify proper air ow through condenser. Is condenser clean?
Conrm condenser fan operation.
Compressor not operating Test overload and relay, replace as needed.
Compressor operating - no cooling Refer to System Diagnosis Guide.
Frozen Product Control set too cold Adjust Set Point Temp accordingly.
Thermistor failure Check Error Log in Service Mode, OHM thermistor.
Frost Buildup
Inside Unit
Door Ajar or Restricted from Closing Check door clearance to adjoining cabinetry. Check
distribution of product in unit.
Thermistor failure OHM thermistor
Display Not
Working
Display unplugged Verify that both ends of the display wiring are rmly
connected.
Display wiring broken or damaged Perform continuity test of wiring and replace as needed.
Interior Lights Not
Working
Door switch misaligned or defective Check the function of reed switch and door magnet
adjustment.
Noisy Refrigeration tubing touching cabinet Carefully reposition tubing.
Fan blade obstruction (wiring, foam
insulation, packaging material)
Remove obstruction.
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