SMA 20000TL Service Manual - Manual (Page 20)

Event number Message, cause and corrective measures
7311 Update language table failed
Updating the language table failed.
Corrective measures:
• Retry update.
• If the error recurs, contact the SMA Service Line.
7316 Update Speedwire module failed
Updating the Speedwire module failed.
Corrective measures:
• Retry update.
• If the error recurs, contact the SMA Service Line.
7326 Webconnect update failed
Update of Webconnect module failed.
Corrective measures:
• Retry update.
• If the error recurs, contact the SMA Service Line.
7701 … 7703 Self diagnosis > Interference device
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
8001 Derating occurred
The inverter has reduced its power output for more than ten minutes due to ex-
cessive temperature.
Corrective measures:
• Clean the cooling fins on the rear of the enclosure and the air ducts on
the top using a soft brush.
• Ensure that the inverter has sufficient ventilation.
8101 … 8104 Communication disturbed
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
9002 Installer 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.
5 Troubleshooting SMA Solar Technology AG
Service Manual for Installers STP20-25TL-SG-en-11 20