Daikin · Simple Self Diagnosis by Malfunction Code | Daikin
This code indicates a problem with the indoor unit's fan motor. The fan might be blocked, not spinning correctly, or have an electrical issue.
Click steps to track your progress.
Turn off the power to the unit at the breaker.
Check for any obstructions around the indoor fan.
Verify that the fan blades can spin freely by hand.
Turn the power back on and see if the error clears.
If the error persists, contact a qualified technician.