Symptom #2
Insufficient cooling
Possible Source(s):
- Compressor clutch slipping
Action(s) to take:
- Renew clutch assembly
Possible Source(s):
- Flaps or vents closed/seized
Action(s) to take:
- Check fault codes #41 to 46
Possible Source(s):
- Blower circuit fault
Action(s) to take:
- Refer to PDU.
Possible Source(s):
- Blocked condenser matrix / fins
Action(s) to take:
- Check high / low side pressures / renew. Check / clean fins
Possible Source(s):
- Blocked evaporator matrix
Action(s) to take:
- Check high / low side pressures / renew
Possible Source(s):
- Blocked pollen filter (if fitted)
Action(s) to take:
- Clean or renew
Possible Source(s):
- Evaporator temperature sensor faulty
Action(s) to take:
- Refer to PDU.
Possible Source(s):
- Partial loss of refrigerant caused by leaking joint or pipe
Action(s) to take:
- Repair/renew
Possible Source(s):
- Blocked expansion valve
Action(s) to take:
- Check high / low side pressures / renew
Possible Source(s):
- Expansion valve fault
Action(s) to take:
- Check system pressure differential
Possible Source(s):
- Collapsed air conditioning hose
Action(s) to take:
- Check high / low side pressures / renew
Possible Source(s):
- Moisture or air in the system
Action(s) to take:
- Check system pressures
Possible Source(s):
- Low refrigerant charge
Action(s) to take:
- Initiate recovery procedure, check fault code #23
Possible Source(s):
- Coolant flow valve open
Action(s) to take:
- Check operation