n2 — Heating mode test during start-up

What does n2 mean?

This display indicates that the air conditioner is running a heating mode test as part of the initial start-up system check. This occurs when the outdoor ambient temperature is between -20°C and 10°C.

• System is performing a heating mode test during start-up

Click steps to track your progress.

1. 1

   Allow the heating mode test to complete, which may take up to 15 minutes.

2. 2

   Ensure the outdoor ambient temperature is within the acceptable range (-20°C to 10°C for this specific test).

3. 3

   If the system does not proceed to 'PS' (pass) or 'BP' (bypass), consult the service manual.

4. 4

   Note: The start-up test cannot be bypassed if 'n2' or 'n3' is displayed.