What does F43 mean?

The indoor and outdoor units, or components within them, are not correctly matched or configured, causing an incompatibility error.

• Incorrect component installation
• Software mismatch

Click steps to track your progress.

1. 1

   Turn off the air conditioner at the main power switch or circuit breaker.

2. 2

   Wait for at least 30 seconds, then turn the power back on.

3. 3

   If the error persists, contact a qualified technician to verify component compatibility and configuration.