SMA STP 12000TL-US - Manual (Page 48)

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
voltage limit for starting grid feed-in. Change the parameter Minimum
voltage input or A.VStr, B.VStr.
3. If this message is displayed frequently with medium irradiation, ensure
that the PV array is correctly rated.
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 60).
6001 to 6438 Self diagnosis > Interference device
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
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 54).
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 SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
6606 Interference device
The cause must be determined by the SMA Service Line.
Corrective measures:
• Contact the SMA Service Line.
10 Troubleshooting SMA Solar Technology AG
Installation Manual STP12-24TL-US-IA-en-16 48