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Fault - 29 - MC21 (Inv. MC of PEBB3) Failure

Thomas Garcia
Modified on: Tue, 4 Dec, 2018 at 1:50 PM

MC21 (Inv. MC of PEBB3) Failure - 29 - Inverter side contactor (MC21 of PEBB3) failure



Possible Problem :

  • MC21 contactor is open
  • Auxiliary switch is inoperable




Solution(s) : 

  • Check the wiring connection
  • Change the MC21

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