Event 6407
Qualified person
Event message:
Self-diagnosis
Interference device
Explanation:
The inverter has detected that the hardware threshold for overcurrent has been exceeded at the DC input in question.
Corrective measures:
If the event message occurs once or rarely, no further measures are required.
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.
If the event message is permanently present, the assembly or inverter needs to be replaced.