Service Reference - Fisher & Paykel RF175W Service Manual

16

SERVICE REFERENCE

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.
WHAT TO DO
• Check I/O Fault Log.
• Check continuity of element using multimeter.
• Fan hub with label on to be facing PC.
• Check I/O Fault Log.
• Check voltage to plug, check wiring polarity.
• Seal with foam tape on duct divider spigot.
• Remove insulation pad.
• Check I/O Fault Log.
• Check for mechanical obstruction.
• Check power to plug.
• Check polarity.
• Replace fan.
• Check for broken wires.
• Check I/O Fault Log.
• Check power to plug.
• 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 or refer to thermistor
resistance table in service manual.
• 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.
• 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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