SMA STP 50-40 - Page 105

11 Troubleshooting
SMA Solar Technology AG
Operating manual STP50-4x-BE-en-23 105
Event number Message, cause and corrective measures
8101
8102
8103
8104
Communication failure
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8208
Self-test for arc fault detection: interference level too high
An error has occurred during the self-test of the arc-fault circuit interrupter. The
cause must be determined by the Service.
Corrective measures:
• Contact the Service.
8209
Self-test for arc fault detection: interference level too low
An error has occurred during the self-test of the arc-fault circuit interrupter. The
cause must be determined by the Service.
Corrective measures:
• Contact the Service.
9002
SMA Grid Guard code invalid
The SMAGridGuard code entered is incorrect. The operating parameters are
still protected and cannot be changed.
Corrective measures:
• Enter the correct SMAGridGuard code.
9003
Grid parameters locked
Changes to the grid parameters are now blocked. In order to be able to make
changes to the grid parameters, from now on you must log in using the SMA
Grid Guard code.