Daikin · room air conditioner
This error indicates a problem with the main electronic control board (PCB) located in the outdoor unit. This board manages the outdoor unit's operations.
Click steps to track your progress.
Ensure the power to the outdoor unit is switched off.
Check the main power supply and circuit breaker for the outdoor unit.
Restore power and observe if the error code clears.
If the error persists, contact a qualified installer or dealer for inspection and repair.