Cummins

1915

UnclassifiedGeneral

What This Code Means

Generator set phase rotation is incorrect

Possible Causes

  • •Genset Voltage Sensing Connections are Incorrectly Wired at the Base Board

Suggested Actions

  1. 1If the nominal voltage is 600 VAC or lower, ensure that the voltage sensing connections are correct.
  2. 2If the phase rotation and/or voltage are not correct, re-check the wiring.
  3. 3Measure the phase rotation and voltage input into the base board from the Generator set at: L1, J22-1; L2, J22-2; L3, J22-3 (voltage should match nominal voltage, and phase rotation should be 'L1 – L2 – L3').

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