Mitsubishi Electric · Wi-Fi Interfaces
On MAC-558/559 models, LED 1 flashing slowly (every 5 seconds) with LED 2 solid ON and LED 3 flashing slowly (every 5 seconds) indicates that all communications are successfully established: server, access point, and Heat Pump.
Click steps to track your progress.
No action is required as this indicates correct operation.
You should now be able to control your Heat Pump via the Mitsubishi Electric Wi-Fi Control App.
If you experience control issues despite this status, check app settings for conflicts or delays.