SMA STP 12000TL-US - Manual (Page 51)

Event number Message, cause and corrective measures
7326 Webconnect update failed
Update of Webconnect module failed.
Corrective measures:
• Retry update.
• If the error recurs, contact the SMA Service Line.
7508 External fan fault > Replace fan
One of the fans is blocked.
Corrective measures:
• Clean the fans (see Section 10.3, page 54).
• If the message continues to be displayed, replace the fan (see Section 15
"Spare Parts and Accessories", page 75).
7701 to 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.
• Clean the fans (see Section 10.3, page 54).
• Ensure that the inverter has sufficient ventilation.
8101 to 8104 Communication disturbed
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
8204 AFCI self-test failed
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
10 Troubleshooting SMA Solar Technology AG
Installation Manual 51 STP12-24TL-US-IA-en-16