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