Phase wire short-circuited to PE

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The impedance of the output phase wire to PE (Protective Earth) is low or the output phase wire is short-circuited to PE. This is a serious electrical safety fault indicating a direct connection between a phase conductor and ground.

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

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1. 1

   Check the impedance of the output phase wire to PE, locate the position with low impedance, and rectify the fault.