The magnetic clutch is malfunctioning.

Refer to Compressor Magnetic Clutch .

The compressor belt is loose or broken.

Adjust or replace the drive belt.

The magnetic clutch friction face is glazed.

Clean or replace the magnetic clutch face.

The clearance between the magnetic drive plate and the pulley is incorrect.

Adjust the clearance.

Refer to Compressor Magnetic Clutch .

The compressor is seized.

Replace the A/C compressor. Refer to Air Conditioning Compressor Replacement .

The refrigerant is insufficiently charged or excessively charged.

1. Discharge the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
3. Recharge the refrigerant. Refer to Refrigerant Recovery and Recharging .

Leaks are present in the refrigerant system.

Inspect the refrigerant system for leaks.

Refer to Leak Testing .

The condenser is clogged. The radiation in the condenser is not sufficient.

Clean or replace the condenser, as necessary.

Refer to Condenser Replacement .

The thermal expansion valve is operating incorrectly due to a foreign substance.

Replace the thermal expansion valve.

Refer to Thermal Expansion Valve Replacement .