C458 - Outdoor fan error

What does C458 mean?

This error indicates a problem with the outdoor unit's fan motor. The fan may not be rotating correctly, or there could be an issue with its power supply or connection. This can be caused by physical obstructions or electrical faults.

• Incorrect input power voltage or a loose power connection.
• Incorrectly connected or loose motor wire to the outdoor PBA.
• Assembly error or a missing component in the motor wire connector terminal.
• An obstruction blocking the fan motor or propeller.
• A faulty outdoor fan motor.
• A problem with the outdoor PBA (Printed Board Assembly).

Click steps to track your progress.

1. 1

   Check for any visible obstacles around the outdoor fan motor and propeller and remove them carefully.

2. 2

   Turn off the air conditioner at the main power supply.

3. 3

   Verify that the input power voltage is correct and the power connection to the unit is secure.

4. 4

   Check that the fan motor wire is correctly and securely connected to the outdoor PBA.

5. 5

   Restore power and restart the unit. If the error persists, contact a qualified service technician.