Fisher & Paykel 635 Active Smart, Service Manual

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15 SERVICE REFERENCE
15.1 Service Reference ‘B’ Models
Problem Possible Causes What To Do
PC TOO COLD
Cold Crispers. * Ambient heater open
circuit.
- Check for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check continuity of element using multimeter.
Ice In Crispers. * PC fan fitted upside
down.
- Fan hub with label on to be facing PC.
* PC fan not going. - Check for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check voltage to plug, check wiring polarity.
* Air leakage base duct
cover.
- Seal with foam tape on duct divider spigot.
* PC sensor location. - Remove insulation pad.
Cold Compartment Warm
Top. * PC fan not going. - Check for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check for mechanical obstruction.
- Check polarity.
- Check for broken wires.
- Replace fan.
Total Compartment Too
Cold. * FC fan not going. - Check for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check for mechanical obstruction.
- Check for broken wires.
- Check polarity.
- Replace fan.
* Short of gas. - Check run percentage, if high check
evaporator.
- Check fully flooded evaporator, check for leak.
* PC sensor inaccurate. - Check calibration of sensor ice point using
interface binary (refer to Sections 10.1.5 or
10.2.3) or refer to thermistor resistance table
(refer to Section 4.22).
PC TOO WARM
Warm Compartment Cool
Bottom. * PC fan not going. - Check for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check for mechanical obstruction.
- Check polarity.
- Check for broken wires.
- Replace fan.
* PC fan upside down. - Fan hub with label on to be facing PC. Refit.
* Return duct iced up. - De-ice duct area behind chassis.
- Check PC duct insulation for good seal in
return duct.
- Check doors are sealing.