Complete Cooling Failure

Complete Cooling Failure

1. When bursting seal on refrigerant tank has been destroyed.
The system was overheated. Check direction of rotation of cooler and condensor blowers. If the blowers do not run, check fuses, relays.

2. Connect service unit and read off pressure values.
Low pressure: too low
High pressure: too low
No refrigerant in system. Look for leakage. Fill air-conditioning system.

3. Turn on air-conditioner and read off pressures.
Low pressure: too high
High pressure: too low
Compressor is defectuve.

Low pressure: too low
High presssure: too high
Expansion valve is defective.