Fisher & Paykel 790 Active Smart, Service Manual

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ALARM ON * Defrost heater - Check display for any fault code
- Check defrost element continuity
- Put cabinet into manual defrost, wait for defrost relay to
“click” on (2 ½ minutes after pressing buttons)
- If no “click”, check power/control module
- If “click” heard, check the defrost heater 110v output at the
power/control module
* Sensors - Check display for fault codes 0-5
- Sensors above or below limit, refer thermistor service
table in service manual
* Door switch fault - Check that no fault code is shown on the display
- Check that PC / FC doors activate reed switches
- Check also reed switches with magnet
- Check wiring harness to power/control module
- Check wiring harness to console board
FAULT DISPLAYED, NO ALARM * Display flashing fault code,
but no alarm sounding
- Alarm has been switched off by user
- Piezo alarm faulty on board, replace board
LIGHT NOT FUNCTIONING * Blown bulb - Check power supply to socket 7Volts, if nil check plug at
display module
- Check continuity of bulb, nil replace
* Cabinet type - Power/control module not initialised, close FC door and
press compartment select button
* Poor connection - Spread halogen bulb legs
- Check lamp holder, replace where possible
- Check connector on display module
CONSOLE - NO L.E.D. LIGHTS * Power/control module no
power
- Check harness and plugs on 5 way display module
harness at both ends
- Initialize cabinet
RASPBERRY NOISE * Power/control module not
initialized
- Initialise power/control module, close FC door and push
any button on display module
- If raspberry noise still made, check door switches
NOISY FAN PC * Wires touching - Tuck wires away from fan blade
* Faulty fan - Fit replacement
NOISY FAN FC * Ice on cover - Clear ice off cover and check doors are sealing
* Ice on grill - Clear ice off grill and check doors are sealing
* Fan off mountings - Refit
* Wires touching - Tuck wires away from fan blade
* Capillary touching - Shift capillary from fan area make sure it is not touching
any part of the cabinet
* Fan motor noisy - Fit replacement
* Wires too tight - Re route wiring
ICE BUILD UP IN
COMPARTMENT * Doors sealing - Check gaskets sealing, adjust gaskets
- Check fans are operating
REFRIGERATION NOISE * Popping, farting - Evacuate recharge with ISCEON 49, check alignment of
capillary
* Gurgling, whistling - Check alignment of capillary and apply sound dampening
tape