SMA SC 500HE-20 - Manual (Page 77)

SMA Solar Technology AG 10 Troubleshooting
Operating Manual SCxxxHE-20-BE-BEN111210 77
35xx Cause of error
A ground fault is present in the PV array.
Error message 3501
< Insulation Failure >
Error message 3502
< Ground fault >
Error message 3504
< Insulation failure ignored >
Error message 3505
< Ground fault ignored >
Error message 3507
< Soft grounding triggered >
Error message 3510
< Ground fault detected >
Error message 3512
< Permanent ground fault >
Error message 3515
< Soft grounding ignored >
Measure
< Check DC generator >
– Check the PV array for ground faults.
3601 Error message
< Warning insulation failure >
– There is leakage current at the grounding connection of the PV array.
Measure
< Check DC generator >
– Check the grounding connection and equipotential bonding.
– Check module wiring and plant design.
Error no. Error message, cause of error and corrective measure