MAC-558/559 LED 1 flashes 5 sec, LED 2 solid ON — Server/AP connected, Heat Pump communication starting up

What does MAC-558/559 LED 1 once every 5 sec, LED 2 ON, LED 3 OFF mean?

On MAC-558/559 models, LED 1 flashing slowly (every 5 seconds) with LED 2 solid ON and LED 3 OFF indicates that the Wi-Fi interface is connected to the server and access point, and communication with the Heat Pump is currently in the startup phase.

• The Heat Pump is powering on or initializing communication with the interface.
• Temporary delay in establishing full communication.

Click steps to track your progress.

1. 1

   Wait a few moments for the Heat Pump communication to fully establish.

2. 2

   Observe if LED 3 starts flashing, indicating successful Heat Pump communication.

3. 3

   Ensure the Heat Pump is fully powered on and not in an error state.

4. 4

   If the status does not change, try restarting the Heat Pump unit.