16
REF4P and REF5P Undercounter Refrigerators
Compressor Information
Danfoss model
NF6.1FX.2
Run load amps (RLA)
3.2
Lock rotor amps (LRA)
22.2
Ohms start winding to common
3.1
Ohms run winding to common
2.0
Ohms start winding to run winding
5.1
Troubleshooting
Before calling for service
1. Check that unit is plugged in.
2. Test outlet with another appliance to verify power.
Symptom
Possible Cause
Solution
Refrigerator does not operate (no
components run).
Power switch faulty or in OFF position; loose
connection.
Turn power switch to ON; check switch
and connections.
Refrigerator not plugged in.
Connect plug.
No power to cord.
Restore power.
Temp controller not energizing components.
Check controller contact terminals for
power. Replace controller if needed.
Probe not sensing set point temperature.
Replace controller and/or probe.
Compressor does not run.
Thermal overload open or defective.
Allow to cool or replace.
Capacitor and/or relay defective.
Replace as required.
Compressor defective.
Replace compressor.
Evaporator fan motor does not run.
Defective fan motor.
Replace fan motor.
Refrigerator does not shut off.
Controller not sensing cut-off temperature.
Replace controller and/or probe.
Controller keeping refrigeration system
energized.
Replace controller.
Control relay faulty.
Replace control relay.
Refrigerator does not maintain
temperature (all components run).
Condenser or evaporator coil needs cleaning.
Clean coils.
Faulty door gasket.
Replace door gasket.
Excessively high ambient or inadequate air
clearance.
Maximum recommended ambient is
100 F (38 F).
Refrigerant leak.
Locate and repair leak.
Incorrect refrigerant charge.
Recover, evaluate and weigh in correct
charge.
Plugged capillary tube.
Replace capillary tube and filter drier.
Inefficient compressor.
Consult technical services.
If problems persist after following this basic troubleshooting guide, call Follett’s technical service group at
(877) 612-5086.
REUC235