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Event number Message, cause and corrective measures
10911
Stand. Val. [xxx] [xx]
Preliminary result of the self-test
10912
Disconn. time [xx] s
Preliminary result of the self-test
27103
Set parameter
The parameter changes are being adopted.
27104
Parameters set successfully
The parameter changes were successfully adopted.
27107
Update file OK
The update file found is valid.
27301
Update communication
The inverter is updating the communication component.
27302
Update main CPU
The inverter is updating the inverter component.
27312
Update completed
The inverter has successfully completed the update.
29001
Inst. code valid
The entered GridGuard code is valid. Protected parameters have now been
unlocked and you can adjust the parameters. The parameters will be automati-
cally locked again after ten feed-in hours.
29004
Grid parameters unchanged
Changing the grid parameters is not possible.
12.3 Checking the PV System for Ground Faults
If the red LED is glowing and the event number 3501, 3601 or 3701 is being displayed in the
Results menu on the inverter user interface, there may be a ground fault present. The electrical
insulation from the PV system to ground is defective or insufficient.
Danger to life due to electric shock
In the event of a ground fault, high voltages can be present.
Touch the cables of the PV array on the insulation only.
Do not touch any parts of the substructure or frame of the PV array.
Do not connect PV strings with ground faults to the inverter.
12Troubleshooting
SMA Solar Technology AG
Operating ManualSB30-50-1AV-40-BE-en-1080
80


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