Grid-tied/Off-grid Controller Abnormal

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The inverter fails to communicate with the Smart Backup Box or an unrecoverable fault occurs on a circuit inside the Smart Backup Box. This impacts the inverter's ability to operate in grid-tied or off-grid modes.

• The inverter fails to communicate with the Smart Backup Box.
• An unrecoverable fault occurs on a circuit inside the Smart Backup Box.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Send a shutdown command on the app. Turn off the AC output switch, DC input switch, and battery switch.

2. 2

   Check whether the power cable and RS485 cable between the Smart Backup Box and the inverter are normal.

3. 3

   After 5 minutes, turn on the battery switch, AC output side, AC output switch, and DC input switch.