Service manual

Event number Display message, cause and corrective measures
7201 to 7202
Data stor. not poss..
Internal error. The inverter continues to feed into the utility grid.
Corrective measures:
• Contact the Service (see Section11, page30).
7303
Update main CPU failed
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section11, page30).
7305
Update RS485I module failed
Internal error. The inverter continues to feed into the utility grid.
Corrective measures:
• Retry update.
• If this message is displayed again, contact the Service (see Section11,
page30).
7307
Update BT failed
Internal error. The inverter continues to feed into the utility grid.
Corrective measures:
• Retry update.
• If this message is displayed again, contact the Service (see Section11,
page30).
7311
Update language table failed
Internal error. The inverter continues to feed into the utility grid.
Corrective measures:
• Retry update.
• If this message is displayed again, contact the Service (see Section11,
page30).
7401
Varistor defective
At least one of the thermally monitored varistors is defective.
Corrective measures:
• Check the function of the varistors (see Section6, page22).
7508
External fan fault
The external fan is defective or blocked.
Corrective measures:
• Ensure that the fan is clean.
• Ensure that the external fan is correctly connected.
4 Troubleshooting
SMA Solar Technology AG
Service Manual 17SB30-60TL-21-SG-en-11