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
Section 8.4, page 58).
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
Section 11 "Contact", page 63).
6803
Self-diagnosis > Input A defective
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 11 "Contact", page 63).
6903
Self-diagnosis > Input B defective
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 11 "Contact", page 63).
7106
Update file defect.
The update file is defective. The update failed. The inverter continues feeding
power into the grid.
7110
No update file found
No new update file was found on the SD memory card. The update failed.
The inverter continues feeding power into the grid.
7112
Update file successfully copied
7113
The memory card is full or write-protected
8 Troubleshooting
SMA Solar Technology America LLC
User Manual
SB5.0-6.0-1SP-US-40-BA-en-10
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