Discovery Energy, LLC (Rehlko)

FAILURE TO ACQUIRE STANDBY

UnclassifiedGeneral

What This Code Means

Emergency source fails while normal source is available; Immediate failure to acquire standby alarm

Possible Causes

  • •ATS does not recognize the standby source
  • •Emergency source failure during exerciser operation
  • •Generator set did not start
  • •Open circuit breaker

Suggested Actions

  1. 1Allow engine cooldown time delay to expire and open engine start contacts
  2. 2Allow off-to-preferred time delay to expire
  3. 3Allow post-transfer load control time delays to expire and close load control contacts
  4. 4Check ATS calibration
  5. 5Check and close ATS source and generator set circuit breakers
  6. 6Check for loose source connections
  7. 7Check for open switch or circuit breaker to the source
  8. 8Check source voltage, frequency, phase rotation settings and compare to actual values
  9. 9Check the labels on the switch for tightening torques
  10. 10Check voltage sensing
  11. 11Close Source 1 circuit breaker
  12. 12Deactivate exerciser
  13. 13Open Source 2 circuit breaker
  14. 14Open load control contacts
  15. 15Refer to Failure to Start Generator Set troubleshooting section

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