Cool air does not come out or insufficient cooling (compressor in normal operation)

Precautions: Precautions for Diagnosing Trouble · General safety (00)

Condition	Possible Cause	Action
Cool air does not come out or insufficient cooling (compressor in normal operation)	Faulty blower motor	Check blower motor.
	Faulty temperature control actuator	Check temperature control actuator.
	Air leakage from HVAC unit or air duct	Repair HVAC unit or air duct.
	Loose or broken compressor drive belt (petrol model)	Check compressor drive belt.
	Loose or broken generator drive belt (diesel model)	Check generator drive belt.
	Faulty magnet clutch (petrol model)	Check magnet clutch.
	Faulty compressor pulley (diesel model)	Check compressor pulley.
	Faulty compressor ON/OFF valve (diesel model)	Check compressor ON/OFF valve.
	Faulty compressor	Check compressor.
	Faulty expansion valve	Check expansion valve.
	Clogged desiccant	Check desiccant and cap.
	Faulty heater and ventilation system	Check HVAC unit.
	Insufficient or excessive charge of refrigerant	Check amount of refrigerant and system for leakage.
	Excessive compressor oil in A/C system	Drain excessive compressor oil from A/C system circuit and compressor.
	Clogged condenser	Check condenser.
	Clogged or frosted evaporator	Check evaporator and evaporator temperature sensor. •Evaporator:   •Evaporator temperature sensor:
	Faulty evaporator temperature sensor	Check evaporator temperature sensor.
	Air in A/C system	Replace condenser, and then evacuate and charge A/C system with refrigerant.