Range Rover P38
AIR CONDITIONING
1
FAULT DIAGNOSIS
AIR CONDITIONING FAULTS
This section covers mechanical and possible fuse
faults that could occur in the air conditioning system.
Visual checks of components within the system and
relevant fuses should be carried out before
undertaking detailed fault diagnosis procedures on
TestBook .
For details of possible faults to vent flap servo motors
that are common to heating, ventilation and air
conditioning systems.
See HEATING AND
VENTILATION, Fault diagnosis.
Symptom - Condenser Fan Motor Inoperative or Slow Running.
POSSIBLE CAUSE
REMEDY
1. Blown fuse.
1. Check and renew fuse 34.
2. Loose electrical connections.
2. Check and tighten all relevant connections.
3. Worn internal motor
components.
3. Renew fan motor.
Symptom - Condenser Fan Motor and/or Condenser Vibration.
POSSIBLE CAUSE
REMEDY
1. Fan motor and/or blades out of
alignment.
1. Check for visual damage.
2. Fan motor/s out of balance.
2. Balance fan motors.
3. Build up of debris on fan
blades.
3. Clean blades with a suitable non-inflammable cleaner.
4. Excessive wear of fan motor
bearings.
4. Renew condenser fan and motor assembly.
5. Condenser unit not mounted
securely.
5. Secure as necessary.