F7 - Reverse phase detector circuit (p.c.board) fault

What does F7 mean?

A fault has been detected in the reverse phase detector circuit on the main printed circuit board (PCB) of the outdoor unit. This is an internal electronic fault.

• Malfunction of the PCB's reverse phase detection components.
• Damaged PCB.

Click steps to track your progress.

1. 1

   Turn off the power to the unit at the main circuit breaker.

2. 2

   Wait for 1 minute before restoring power.

3. 3

   If the error reappears, it suggests a component failure on the PCB, which needs to be serviced by a qualified technician.