Electrolux FPRH17D7KF All Refrigerator Professional Series Servicing page 81

The following table relates to troubleshooting the thermostat, electronic components and compressor with its
associated components.
Problem
Compressor and evaporator
fan motor does not run.
Compressor does not run,
but the evaporator fan
motor does.
Evaporator fan motor does
not run,but the compressor
operates.
Interior light does not glow
when door is opened.
Compressor runs
continuously, but freezer is
not cold.
Compressor runs
continuously and the
freezer/refrigerator is too
cold.
Freezer/refrigerator does
not automatically defrost.
Cause
1. Is the temperature control set to off?
2. Measure the input voltage to the
electronic control. Is line to neutral
voltage being applied?
3. Disconnect the wiring harness
from the compressor controller and
measure the voltage drop between
the two wires in the harness. Does
the meter read line to neutral
voltage?
1. Defective compressor or compressor
controller.
1. Is there something blocking the fan
blade?
1. Check the light bulb with an
ohmmeter. Is the bulb good?
1. Connect a low side gauge to the
processing tube on the compressor.
Is the pressure in a vacuum or lower
than normal?
1. Defective thermostat.
1. Defective timer.
Section 7 Troubleshooting
Correction
Yes. Set control from 1 to 7
No. Go to step 3.
Yes. Replace defective electronic control.
No. Defective wire harness.
Yes. Replace defective compressor controller or
compressor and evaporator fan motor.
No. Replace defective electronic control.
Replace compressor controller. If problem is not
corrected replace compressor.
Yes. Remove restriction from fan blade.
No. Replace defective fan motor.
Yes. Replace defective door switch.
No. Replace light bulb.
Yes. System low on refrigerant, check for leak in
system before adding refrigerant.
No. Replace defective compressor.
Replace defective thermostat.
Yes. Check/replace defrost thermostat.
Yes. Check/replace defrost heater.
No. Replace defrost timer.
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