Grid fault (Frequency Out of Range)

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The power frequency is not within the permissible range, causing the inverter to disconnect from the utility grid. Frequent occurrences suggest a persistent issue with grid frequency stability.

• Power frequency is outside the permissible operating range.

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1. 1

   If possible, check the power frequency and observe how often fluctuations occur.

2. 2

   If fluctuations occur frequently and this message is displayed often, contact the grid operator and request approval to change the operating parameters of the inverter.

3. 3

   If the grid operator gives approval, discuss any changes to the operating parameters with the Service.