AC frequency too low

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The frequency of the AC grid at the inverter's connection point has dropped below the minimum allowable limit for the Fronius Primo GEN24 208-240 inverter. This condition will cause the inverter to disconnect to prevent damage or improper operation.

• The grid frequency is too low.
• The grid is unstable.

Klikk på steg for å spore fremgangen.

1. 1

   Verify the AC grid frequency at the inverter's connection point using a frequency meter or a multimeter with frequency measurement capability.

2. 2

   Determine if the low grid frequency is a persistent issue or a transient event.

3. 3

   Ensure no local large inductive loads are causing significant frequency deviations.

4. 4

   Immediately contact the grid operator to report the unstable or low grid frequency, as this points to a potential public grid instability or generation issue.