A1 - Indoor PCB failure

¿Qué significa A1 ?

There is a defect with the main circuit board inside the indoor unit.

• Defect of the PCB.
• Electrical noise interference.

Haga clic en los pasos para seguir su progreso.

1. 1

   Power off the air conditioner at the main breaker for 60 seconds.

2. 2

   Restore power and check if the error code clears.

3. 3

   If the error persists, the indoor PCB may need replacement by a qualified technician.