SMA SUNNY BOY 3.8-US User Manual page 38

8 Troubleshooting
Event number
7303
7324
7331
7332
7333
7340
44 SB30-77-1SP-US-40-BA-en-11
Message, cause and corrective measures
Update main CPU failed
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 11 "Contact", page 67).
Wait for update conditions
The testing of the update conditions was not successful. The firmware update
package is not suitable for this inverter.
Corrective measures:
• Retry update.
• Ensure that the selected update file is suitable for this inverter.
• If this message is displayed again, contact the Service (see Section 11
"Contact", page 67).
Update transport started
Update file is being copied.
Update transport successful
Update file was copied successfully to the inverter's internal memory.
Update transport failed
Update file could not be copied to the inverter's internal memory. In the event
of connection with the inverter via WLAN, a poor connection quality can be
the cause.
Corrective measures:
• Retry update.
• For WLAN connection, improve the WLAN connection quality (e.g. via
SMA Antenna Extension Kit) or establish connection with the inverter via
Ethernet.
• If this message is displayed again, contact the Service (see Section 11
"Contact", page 67).
Update communication failed
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