Code 364 - Heating pump does not turn

What does 364 mean?

The heating pump within the device is not turning or operating as expected. This can be a blocking fault.

• Electrical installation issue
• Faulty wiring or plug connection of the gas valve (potential miswiring listed in manual)
• Defective heating pump

Click steps to track your progress.

1. 1

   Check the electrical installation of the heating pump.

2. 2

   Check the performance and wiring of the heating pump and its relevant sensors.

3. 3

   If the pump is defective, it may need to be replaced by a qualified technician.