SMA SUNNY TRIPOWER X 20-US - Page 85

11 Troubleshooting
SMA Solar Technology AG
Operating manual STPxx-US-50-BE-en-11 85
Explanation:
Communication to the system control absent.
Corrective measures:
• Ensure that the connection to the System Manager is intact and that no cables are damaged
or that no plugs have been pulled.
11.1.38 Event 8710
Event number:
• Timeout in communication for cos phi setpoint
Explanation:
Communication to the system control absent.
Corrective measures:
• Ensure that the connection to the System Manager is intact and that no cables are damaged
or that no plugs have been pulled.
11.1.39 Event 9002
Event message:
• SMA Grid Guard code invalid
Explanation:
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.
11.1.40 Event 9003
Event message:
• Grid parameters locked
Explanation:
Changes to the grid parameters are now blocked.