SMA SUNNY TRIPOWER 12000TL-US Manual De Uso página 46

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10 Troubleshooting
Event number
Message, cause and corrective measures
301
Grid fault
The ten-minute average value of the grid voltage is no longer within the per-
missible range. The grid voltage or grid impedance at the connection point is
too high. The inverter disconnects from the utility grid to maintain power qual-
ity.
Corrective measures:
• Check whether the grid voltage at the connection point of the inverter is
401
Grid fault
The inverter is no longer in grid-parallel operation. The inverter has stopped
feeding into the utility grid.
Corrective measures:
• Check the grid connection for significant short-term frequency fluctuations.
404
Grid fault
The inverter is no longer in grid-parallel operation. The inverter has stopped
feeding into the utility grid.
Corrective measures:
• Check the grid connection for significant short-term frequency fluctuations.
501
Grid fault
The power frequency is not within the permissible range. The inverter has dis-
connected from the utility grid.
Corrective measures:
• If possible, check the power frequency and observe how often
46
STPTL-US-10-IA-xx-20
permanently in the permissible range.
If the grid voltage is outside the permissible range due to local grid
conditions, contact the grid operator. The grid operator must agree with
an adjustment of the voltage at the feed-in point or with a change of the
monitored operating limits.
If the grid voltage is permanently within the permissible range and this
message is still displayed, contact Service.
fluctuations occur.
If fluctuations occur frequently and this message is displayed often,
contact the grid operator. The grid operator must approve changes to the
operating parameters of the inverter.
If the grid operator gives his approval, discuss any changes to the
operating parameters with the Service.
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