SMA Solar Technology SUNNY BOY 3.0, Operating Manual, Page: 73 / 100

Event number Message, cause and corrective measures
8101 to 8104
Communication disturbed
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 15 "Contact", page 96).
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 parameter 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.
9005
Changing of grid parameters not possible > Ensure DC supply
This error can have the following causes:
• The parameters to be changed are protected.
• The DC voltage at the DC input is not sufficient to run the main CPU.
Corrective measures:
• Enter the SMA Grid Guard code.
• Ensure that at least the DC start voltage is available (green LED is
flashing, pulsing or glowing).
9007
Abort self-test
The self-test (Italy only) was terminated.
Corrective measures:
• Ensure that the AC connection is correct.
• Restart the self-test.
10108
Time adjusted / old time
10109 Time adjusted / new time
12 Troubleshooting SMA Solar Technology AG
Operating Manual 73 SB30-50-1AV-40-BE-en-10