Power on: White light keeps on with a beep sound.
Waiting for Internet connection: Red light and white light flash alternatively
Scanning the QR code for the configuration network: The device gives a voice prompt of “configuring the device. Please wait” and then restarts automatically.
Connected to the Internet/normal operation: Green light and white light flash alternatively.
Network error: Red light and white light flash alternatively.
Entering amount: Voice prompt of the total amount
Payment succeeded or failed: Voice prompt of the payment success or failure