SMA SUNNY BOY 3000TL Single Tracker, Service Manual

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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 17 SB30-60TL-21-SG-en-11