Event number
Message, cause and corrective measures
6002 to 6412
Self diagnosis > Interference device
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 15 "Contact", page 96).
6502
Self-diagnosis > Overtemperature
The inverter has switched off due to excessive temperature.
Corrective measures:
• Clean the cooling fins on the rear of the enclosure and the air ducts on
the top using a soft brush.
• Ensure that the inverter has sufficient ventilation.
• Ensure that the ambient tempe40°C has not been exceeded.
• Ensure that the inverter is not exposed to direct solar irradiation.
6512
Minimum operating temperature not reached
The inverter will only recommence grid feed-in once the temperature has
reached at least −25°C.
6603 to 6604
Self-diagnosis > Overload
The cause must be determined by the Service.
Corrective measures:
• Contact the Service (see Section 15 "Contact", page 96).
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 15 "Contact", page 96).
12 Troubleshooting
SMA Solar Technology AG
Operating Manual
SB30-50-1AV-40-BE-en-10
68
Summary of Contents for SUNNY BOY 3.0
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