11 Troubleshooting
SMA Solar Technology AG
Operating manual
STP3-6-3AV-40-BE-en-13
89
Event number
Message, cause and corrective measures
10910
Measured disconnection threshold for the running test point [xxx]
[xx]
Preliminary result of the self-test
10911
Measured disconnection threshold for the running test point [xxx]
[xx]
Preliminary result of the self-test
10912
Measured disconnection time for the running test point [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
Installer 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.
11.3 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.
Summary of Contents for STP3.0-3AV-40
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