Troubleshooting; Before Calling For Service - Follett Performance Plus FZR4P Installation, Operation And Service Manual

Troubleshooting

Before calling for service

1. Check that unit is plugged in.
2. Test outlet with another appliance to verify power.
Symptom
Refrigerator does not operate (no
components run).
Compressor does not run.
Evaporator fan motor does not run.
Refrigerator does not shut off.
Refrigerator does not maintain
temperature (all components run).
If problems persist after following this basic troubleshooting guide, call Follett's technical service group at
(877) 612-5086.
34 FZR4P, FZR5P and FZR5PLP-T Undercounter Freezers
Possible Cause
Power switch faulty or in OFF position; loose
connection.
Refrigerator not plugged in.
No power to cord.
Temp controller not energizing components.
Probe not sensing set point temperature.
Thermal overload open or defective.
Capacitor and/or relay defective.
Compressor defective.
Defective fan motor.
Controller not sensing cut-off temperature.
Controller keeping refrigeration system
energized.
Control relay faulty.
Condenser or evaporator coil needs cleaning.
Faulty door gasket.
Excessively high ambient or inadequate air
clearance.
Refrigerant leak.
Incorrect refrigerant charge.
Plugged capillary tube.
Inefficient compressor.
Solution
Turn power switch to ON; check switch
and connections.
Connect plug.
Restore power.
Check controller contact terminals for
power. Replace controller if needed.
Replace controller and/or probe.
Allow to cool or replace.
Replace as required.
Replace compressor.
Replace fan motor.
Replace controller and/or probe.
Replace controller.
Replace control relay.
Clean coils.
Replace door gasket.
Maximum recommended ambient is
100 F (38 F).
Locate and repair leak.
Recover, evaluate and weigh in correct
charge.
Replace capillary tube and filter drier.
Consult technical services.