F3 - 63L connector open

What does F3 mean?

This error indicates that the 63L connector, likely associated with the outdoor unit, is open or disconnected. This is often a wiring issue.

• Loose or disconnected 63L connector.
• Damaged wiring leading to the 63L connector.

Click steps to track your progress.

1. 1

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

2. 2

   Wait for 30 seconds.

3. 3

   If accessible and safe, check the connections at the outdoor unit for any loose plugs.

4. 4

   If the error persists, contact a service technician for inspection.