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If the LED light on Wi-Fi dongle is Blinking Blue, it means the WiFi dongle is already setup
(working normally)
If the LED light on Wi-Fi dongle is Solid Blue, it means the WiFi dongle is waiting to be setup
by the Method 2 (AP mode
If the LED light on Wi-Fi dongle is Solid Green , it means:
1. Wifi Signal is bad near the Inverter
2. Wifi password is incorrect
3. Wifi is 5G, not 2.4Ghz
If the LED light on Wi-Fi dongle is Blinking Green , it means no household internet.