Discovery Energy, LLC (Rehlko)

UNDERFREQUENCY

UnclassifiedGeneral

What This Code Means

Overfrequency fault or event message displayed; Underfrequency fault or event message displayed

Possible Causes

  • •Frequency settings
  • •Incorrect frequency settings
  • •Loose source connections or wiring issues
  • •Source availability or stability issues
  • •Source availability, stability
  • •Source connections

Suggested Actions

  1. 1Check for loose connections
  2. 2Check for loose connections and check wiring
  3. 3Check that the frequency debounce setting is long enough to prevent nuisance faults caused by brief frequency variations
  4. 4Check that the source frequency matches the nominal system frequency and stays within the range of the pickup and dropout settings
  5. 5Check that the system frequency setting matches the actual source frequency (50 or 60 Hz)
  6. 6Check the over/underfrequency pickup and dropout settings
  7. 7Check wiring

Related Discovery Energy, LLC (Rehlko) Fault Codes

UNDER FREQUENCYSTM FAILURESRC N (OR SRC E) ROTATION ERRSHDNSD REVERSE POWERSD OVER POWERSD OVER CURRENT VRREMOTE COMMON ALARMPHASE ROTATION ERRORPHASE LOSSPEAK SHAVE MODEP2626
Browse all Discovery Energy, LLC (Rehlko) fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for UNDERFREQUENCY on your specific Discovery Energy, LLC (Rehlko) unit — cited to the OEM manual, not a forum guess.

GET THE ANSWER

Free account required — we'll bring your question with you.