What does H63 mean?

The sensor that measures low pressure in the refrigerant system is faulty or providing incorrect readings.

• Damaged low pressure sensor.
• Faulty wiring to the sensor.
• Issue with the refrigerant system affecting pressure readings.

Click steps to track your progress.

1. 1

   Turn the system off and then back on.

2. 2

   Check for any obvious damage to the sensor or its wiring.

3. 3

   Contact your installer for diagnosis, as this may be related to refrigerant levels.

4. 4

   A technician will test the sensor and system pressures.