Manual
6 Troubleshooting
SMA Solar Technology AG
User Manual SBxx-US-1XP-40-BA-en-13 51
Event number Message, cause and corrective measures
4301
Electric arc detected > Check DC generator
The inverter has detected an electric arc. The inverter interrupts grid feed-in
and cannot connect to the utility grid.
Corrective measures:
• Resetting the operation inhibition after detection of an arc fault (see
Section6.4, page68).
6512
Minimum operating temperature not reached
The inverter will only recommence grid feed-in once the temperature has
reached at least −25°C.
6701 to 6702
Communication disturbed
Error in the communication processor, the inverter continues feeding in, how-
ever. The cause must be determined by the Service.
Corrective measures:
• If this message is displayed frequently, contact the Service (see Section9,
page72).
6803
Self-diagnosis > Input A defective
Corrective measures:
• Check whether a string is connected to input A. If a string that once was
connected is not used anymore, the string-failure detection must be reset.
• Contact the Service (see Section9, page72).
6903
Self-diagnosis > Input B defective
Corrective measures:
• Check whether a string is connected to input B. If a string that once was
connected is not used anymore, the string-failure detection must be reset.
• Contact the Service (see Section9, page72).
7106
Update file defect.
The update file is defective. The update failed. The inverter continues to feed
in.
7110
No update file found
No new update file was found on the SD memory card. The update failed.
The inverter continues to feed in.