ERR and NET LEDs flashing (every second) - Firmware updating

What does Firmware updating mean?

The Wi-Fi interface is currently updating its firmware. Both the orange ERR LED and green NET LED will flash every second during this process.

• Automatic firmware update initiated by the system.

Click steps to track your progress.

1. 1

   Do not interrupt the power supply to the Wi-Fi interface or the indoor unit during this period.

2. 2

   Wait for the firmware update process to complete naturally.

3. 3

   If the update appears to be stalled for an unusually long time, refer to the Wi-Fi Control App for status or try rebooting the Wi-Fi interface by holding the RESET button for 2 seconds.