Fisher & Paykel RF175W, Service Manual

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83
16 SERVICE REFERENCE
PROBLEM POSSIBLE CAUSES WHAT TO DO
PC Too Cold.
Cold Crispers. Ambient heater open
circuit. •
Check I/O Fault Log.
•
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 I/O Fault Log.
•
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 I/O Fault Log.
•
Check for mechanical obstruction.
•
Check power to plug.
•
Check polarity.
•
Replace fan.
•
Check for broken wires.
Total
Compartment
Too Cold. FC fan not going. •
Check I/O Fault Log.
•
Check power to plug.
•
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 or refer to thermistor
resistance table in service manual.
PC Too Warm.
Warm
Compartment
Cool Bottom. PC fan not going. •
Check I/O Fault Log.
•
Check power to plug.
•
Check polarity.
•
Check for broken wires.
•
Replace fan.
•
Check fan is not jammed with ice or anything
else.
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.