General Troubleshooting - Fisher & Paykel RX256DT4X1 FP Service Manual

10

GENERAL TROUBLESHOOTING

This troubleshooting chart on the following pages contains symptoms that may be seen in
malfunctioning units. Each symptom is accompanied by one or more possible causes and by a
possible remedy or test to determine if components are working properly.
Symptom
Unit does not run.
Fresh food compartment too warm.
Fresh food compartment too cold.
Freezer and provision sections too
warm.
Freezer section too cold.
Possible Causes
No power to unit.
Faulty power cord.
Low voltage.
Faulty motor or freezer temperature
control.
Faulty relay.
Faulty compressor.
Is the cabiinet in defrost Mode?
Faulty overload.
Excessive door opening.
Overloading of shelves.
Warm or hot foods placed in cabinet.
Cold control set too warm.
Poor door seal.
Fresh food compartment airflow.
Interior light remains on.
Faulty condenser fan or evaporator fan. Check fan and
Faulty compressor.
Fresh food compartment temperature
control set too cold.
Fresh food compartment airflow not
properly adjusted.
Temperature controls set too warm.
Poor door seal.
Dirty condenser or obstructed grille.
Faulty control.
Refrigerant shortage or restriction.
Freezer temp control set too cold.
Faulty control.
Cold control capillary not properly
clamped to evaporator.
73
Corrective Action
Check for power at outlet.
box/circuit breaker for blown fuse or tripped
breaker. Replace or reset.
Check with test light at unit. If no circuit
and current is indicated at outlet, replace or
repair.
Check input voltage for proper voltage.
Take appropriate action to correct voltage
supply problem.
Check all connections are tight and secure.
Jumper across terminals of control. If unit
runs, replace control.
Check relay. Replace if necessary.
Check compressor motor windings for
opens/shorts.
Wait 8 minutes 30 seconds with power on
to cabinet.
Perform compressor direct wiring test.
Replace if necessary.
Check overload for continuity.
NOTE: Ensure compressor/overload are
below trip temperature before testing.
Replace if necessary.
Consumer education.
Consumer education.
Consumer education.
Set control to colder setting.
Level cabinet. Adjust hinges.
gasket.
Check damper is opening by removing
grille. With door open, damper should
open. Replace if faulty.
Turn control knob to colder position or can
be tested in diagnostics.
Check switch. Replace if necessary.
wiring.
necessary.
Replace compressor.
Adjust fresh food compartment
temperature control.
Check air flow.
Reset temperature controls.
Level cabinet. Adjust hinges. Replace
gasket.
Check condenser and grille. Clean.
Test control. Replace if failed.
Check for leak or restriction. Repair,
evacuate and recharge system.
Adjust freezer temperature control.
Test control. Replace if failed.
Reposition clamp and tighten.
321023
Check fuse
Replace
Replace if