F8 - Input circuit fault

What does F8 mean?

An input circuit fault has been detected in the outdoor unit. This generally points to a problem with the electrical power input to the system.

• Problem with the main power supply to the outdoor unit.
• Internal wiring issue in the input circuit.
• Faulty component in the input power path.

Click steps to track your progress.

1. 1

   Turn off the air conditioning unit's power at the dedicated circuit breaker.

2. 2

   Wait for 30 seconds, then switch the power back on.

3. 3

   Ensure there are no other visible power issues in your home or building.

4. 4

   If the error persists, contact a qualified service professional.