DS7 (RED)

UnclassifiedGeneral

What This Code Means

Fail to Sync; DS8 LED is Red; Common Warning; DS6 LED is Yellow; Control is not in Auto mode; DS7 LED is Red

Possible Causes

  • Two power sources have failed to synchronize either voltage, phase, or frequency within the specified time limit
  • Control has detected a Warning fault
  • Control is not in Auto mode

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Get a diagnosis walkthrough for DS7 (RED) on your specific Cummins unit — cited to the OEM manual, not a forum guess.

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