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Event number Message, cause and corrective measures
3601
High discharge curr. > Check generator
The leakage current of the inverter and the PV array is too high. There is a
ground fault, a residual current or a malfunction.
The inverter interrupts feed-in operation immediately after exceeding a thresh-
old. When the fault is eliminated, the inverter automatically reconnects to the
utility grid.
Corrective measures:
Check the PV system for ground faults (see Section8.4, page59).
3701
Resid.curr.too.high > Check generator
The inverter has detected a residual current due to temporary grounding of the
PV array.
Corrective measures:
Check the PV system for ground faults (see Section8.4, page59).
3801
DC overcurrent > Check generator
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 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:
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.
8 Troubleshooting
SMA Solar Technology America LLC
User ManualSB30-77-1SP-US-40-BA-en-1142
42


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