What does 2031 mean?

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.

Click steps to track your progress.

1. 1

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