Service Reference 'T' Models - Fisher & Paykel 635 Active Smart Service Manual

15.2

Service Reference 'T' Models

Problem
PC TOO COLD
Total Compartment Too
Cold.
PC TOO WARM
Total Compartment
Warm.
FC TOO COLD
Total Compartment Too
Cold.
Possible Causes
* FC fan not going.
* Short of gas.
* PC sensor inaccurate.
* Evaporator ice up.
* No refrigeration.
* Fans not working.
* Power/control module
failure.
* PC delivery duct
blocked.
* FC sensor location.
* Faulty sensor.
* PC fan not going.
- 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 defrost element, check continuity.
- Check door seal/door left open.
- Does compressor 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 for fault code (refer to Sections 10.1.1
or 10.2.1).
- Is there a 12Volt supply, PC light working?
- If yes, check fan connection(s) at fan end, also
at power/control module end of the harness.
- If no, check for power/control module failure.
- Check fan is not a Y97-16 stalling on fan
speed 3.
- Are lamp / interface LED's working?
- If not, check display module connection.
- If OK, is compressor running?
- If not, replace power/control module.
- De-ice area behind chassis.
- Check set temperature.
- Sensor clipped and located in correct
position?
- 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 for broken wires.
- Check polarity.
- Replace fan.
127
What To Do
321144