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Fault - 5 - F-low

AC Under-Frequency    


The grid frequency is outside the permissible range.After grid resumes normal, wait 5 minutes (default duration) for automatic grid-connection


Check the grid frequency and grid connections. If fault is caused by local conditions, ask the electricity provider to adjust the voltage at the feed-in point or to change the value of the monitored operational limits.If the grid frequency lies within the acceptable range and“F-fault” continues, please contact Sungrow.

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