12 Troubleshooting
SMA Solar Technology AG
Operating Manual STPx0-3SE-40-BE-en-10 95
Event number Message, cause and corrective measures
3800
3801
3802
3803
3804
3805
DC overcurrent > Check PV array
Overcurrent at the DC input. The inverter briefly interrupts feed-in operation.
Corrective measures:
• If this message is displayed frequently, ensure that the PV array has been
correctly rated and wired.
3901
3902
Waiting for DC start conditions > Start conditions not met
The feed-in conditions for the utility grid are not yet fulfilled.
Corrective measures:
• Ensure that the PV array is not covered by snow or otherwise shaded.
• Wait for higher irradiation.
• If this message is displayed frequently in the morning, increase the
voltage limit for starting grid feed-in. Change the parameter Critical
voltage to start feed-in.
• If this message is displayed frequently with medium irradiation, ensure
that the PV array is correctly rated.
4013
4014
Reverse currents or input X polarity reversed > Check generator
The displayed input is in reverse polarity or reverse current has been detected
in the input.
Corrective measures:
• Check the correct polarity of the connected PV modules.
• Ensure correct design and circuitry of the PV array.
• If solar irradiation is sufficient, check whether the same voltage is present
at the DC inputs.
• Ensure that no PV module is defective.
6155
Version test failed
Processor defective.
Corrective measures:
• Contact the Service.
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