Fisher & Paykel RF201A Service Manual page 70

819091D
PROBLEM
Total Compartment
Warm
FC Too Cold
Total compartment
too cold
FC Too Warm
Bottom warm top
frozen
Total compartment
warm
Possible Causes
PC duct blocked
Evaporator ice up
No refrigeration
Fans not working
Power /control module
failure
FC sensor location
Faulty sensor
PC fan not going.
Iced up evaporator
PC fan not going
No refrigeration
Defrost evaporator chassis
Check for door seal
Check defrost element, check continuity
Check door seal / door left open
Does cabinet run? If no check power supplies. If yes
check refrigeration system
If running, check for live frost/fully flooded evaporator. If
not check for leak
Check I/O Fault Log
Is there a 12Volt supply, PC lights working
If yes check fan connection(s) at fan end, also at power
module end of the harness
If no check for power / control module failure.
Is the display lighting up?
If not check display module connection
If OK is compressor running?
If not replace power module
Check set temperature
Sensor clipped and located in correct position
Check calibration of sensor ice point using interface
binary or refer to thermistor resistance table in service
manual
Check I/O Fault Log
Check for mechanical obstruction
Check power to plug
Check polarity
Replace fan
Check for broken wires.
Check defrost element is working, replace if faulty.
Check doors are sealing or have they been left open,
adjust and advise customer.
FC fan jammed, clear restriction, replace fan if necessary.
Check defrost sensor position, reposition onto chassis if
not already there.
Check I/O Fault Log
Check for mechanical obstruction
Check power to plug
Check polarity
Replace fan
Check for broken wires.
Is compressor running? If no check power supplies. If
yes check refrigeration system.
frost / fully flooded evaporator, if not check for leak.
70
What To Do
If running check for live