F19 / Outdoor LED1 flashes 6 times — Power over/under voltage protection

What does F19 mean?

The outdoor unit has detected that the incoming power voltage is either too high or too low, triggering a safety shutdown to protect internal components.

• Power module issue

Click steps to track your progress.

1. 1

   Check if other appliances in your home are experiencing power issues or fluctuations.

2. 2

   Turn off the air conditioner at the main power switch or circuit breaker, wait 5 minutes, then restart.

3. 3

   If the issue recurs, consult an electrician to check your home's electrical supply or contact a technician.