Error #1 DC Voltage High

• Occurs if the AC module DC input voltage is higher than 50V.

DC Voltage Operation Range

20 to 45 VDC

Ex) DC Voltage High Screen

App Message Screen

Web Event Screen

Check for possible damages in the module and microinverter.

If problem persists, request for a replacement AC module.

Error #2 DC Current High

• Occurs if the AC module input current is higher than the limit.

Max. Input Operating DC current

12 ADC

Ex) DC Current High Screen

App Message Screen

Web Event Screen

Using a multimeter, check the voltage of the input terminal.

Check for other messages.

If problem persists, request for a replacement micro inverter.

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LG Electronics LGxxxA1C-B3 manual Error #1 DC Voltage High, Error #2 DC Current High, Ex DC Voltage High Screen