5186

UnclassifiedGeneral

What This Code Means

Shutdown; Transfer switch failed to close on generator side

Possible Causes

  • •Faulty auxiliary contact
  • •Mechanical failure of transfer switch
  • •Transfer switch failed to close on generator side
  • •Transfer switch transitioned to genset side, but feedback is lost

Suggested Actions

  1. 1Check and replace the auxiliary contact of transfer switch
  2. 2Check for loose connection of the feedback wire connected to TB1 − 14 from auxiliary contact of transfer switch and tighten connection
  3. 3Check the transfer switch manual

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