SMA SUNNY TRIPOWER 12000TL-US Instructions D'installation page 50

10 Troubleshooting
Event number Message, cause and corrective measures
3901 to 3902 Waiting for DC start conditions > Start cond. not met
The feed-in conditions for the utility grid are not yet fulfilled.
Corrective measures:
1. Wait for higher irradiation.
2. If this message is displayed frequently in the morning, increase the
3. If this message is displayed frequently with medium irradiation, ensure
4301 Serial el.arc in String detected by AFCI mod.
The inverter has detected an electric arc. The inverter interrupts grid feed-in
and cannot connect to the utility grid.
Corrective measures:
• Reset the operation inhibition (see Section 10.6, page 62).
6001 to 6438 Self diagnosis > Interference device
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
6501 to 6511 Self diagnosis > Interference device
The inverter has switched off due to excessive temperature.
Corrective measures:
1. Clean the fans (see Section 10.3, page 56).
2. Ensure that the inverter has sufficient ventilation.
6512
Minimum operating temperature not reached
The inverter will only recommence grid feed-in once the temperature has
reached at least −25°C (−13°F).
6603 to 6604 Self-diagnosis > Overload
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
6606 Interference device
The cause must be determined by the Service.
Corrective measures:
• Contact the Service.
50 STPTL-US-10-IA-xx-22
voltage limit for starting grid feed-in. Change the parameter Minimum
voltage input or A.VStr, B.VStr.
that the PV array is correctly rated.
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Installation Manual