Fisher & Paykel 635 Active Smart Service Manual page 124

321144
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 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.
- Are lamp / interface LED's working?
- If not, check display module connection.
- If OK, is compressor running?
- If not, replace power/control module.
- Check set temperature.
Sensor clipped
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 polarity.
- Check for broken wires.
- Replace fan.
- 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 for fault code (refer to Sections 10.1.1
or 10.2.1).
- Check for mechanical obstruction.
- Check polarity.
- Check for broken wires.
- Replace fan.
- 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.
124
What To Do
and located in correct