MHI · Air Conditioning
During startup or operation, the outdoor unit's LED1 (green) blinks twice and LED2 (red) blinks nine times alternately, indicating a remote controller signal receiving error detected by the indoor unit.
Click steps to track your progress.
Check if the connecting wire of the indoor unit or remote controller is connected correctly.
Check if noise is entering into the transmission wire of the remote controller.
Re-check the error by turning off the main power, waiting, and turning it back on.