Power grid phase wire short-circuit to PE

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The impedance of the inverter's output phase wire is low, or it is short-circuited to the Protective Earth (PE) conductor. This fault indicates a ground fault in the AC output wiring, posing safety risks and preventing grid-tied operation.

• The impedance of the output phase wire is low.
• The output phase wire is short-circuited to PE.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the impedance of the output phase wire to PE.

2. 2

   Locate the position with lower impedance and restore that.