Event 6406

Qualified person

Event message:

  • Self-diagnosis

  • Interference device

Explanation:

The inverter has detected that the current at input A has exceeded the maximum values as laid down in the technical specifications.

Corrective measures:

  • If the event message occurs once or rarely, no further measures are required.

  • In the inverter event memory, check whether event message 3801/3802 is additionally displayed.

  • If the event message is displayed frequently, ensure that the PV modules have been correctly rated and wired using Sunny Design.

  • Ensure that the technical data for the DC input of the inverter is observed.

  • Ensure that the DC connection is correctly executed. Possible error sources: DC plug connections, DC cabling, PV modules.

  • If the event message persists despite successful checks, the assembly or inverter needs to be replaced.

    Event 6405
    Event 6407