- Loss of Wi-Fi connection.
- Wi-Fi reconfiguration.
- Unexpected behaviour from the AC.
- Plug the AC Controller into a socket using the mains adapter. The LED should blink five times then go out.
- Press and hold the RESET button at the back (white part) of the Controller for 20 seconds. For the first 15 seconds, the LED will blink slowly. Keep pushing the button until the LED stops blinking then blinks quickly five times. HomeKit and Wi-Fi credentials are deleted in this process.