Service Reference; Service Reference 'B' Models - Fisher & Paykel 635 Active Smart Service Manual

15 SERVICE REFERENCE

15.1

Service Reference 'B' Models

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