LCD shows U1~UP - Malfunction outdoor unit

What does U1~UP mean?

The remote controller LCD displays codes in the range U1 to UP, indicating a general malfunction within the outdoor unit.

• Various malfunctions within the outdoor unit (see specific outdoor unit codes for details).

Click steps to track your progress.

1. 1

   Refer to the outdoor unit's LED display for more specific error codes (e.g., U1, U2, U3, etc.).

2. 2

   Turn off the main power supply to the unit, wait for a few minutes, then turn it back on to attempt a reset.

3. 3

   If the specific outdoor unit code can be identified, follow its corresponding troubleshooting steps.

4. 4

   Contact a qualified service technician for diagnosis and repair.