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Error No. 3501

SMA Manual Recommendation

Error No.Explanation
Corrective measures
The insulation monitoring device has measured an excessively low grounding resistance.

For the options "GFDI and insulation monitoring device" and "Remote GFDI and insulation monitoring device", the insulation monitoring device is only active when the GFDI or the remote GFDI is open.

• Check the PV array for ground faults.


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