Rehlko

SD HIGHFUELPRESS

UnclassifiedFuel

What This Code Means

Shutdown alarm (SD HighFuelPress)

Possible Causes

  • •Fuel pressure rises above the high pressure switch dial setting

Suggested Actions

  1. 1Wait until the pressure returns to the normal operating level
  2. 2Press and release the clear cover over the red reset button on the switch
  3. 3Reset the fault on the controller
  4. 4Verify switch settings and adjust the high pressure switch dial to desired trip pressure if needed

Related Rehlko Fault Codes

WRN FUELVLVFAIL2OPWRN LOW FUEL PRESSSD FUELVLVFAIL2CLNOX FAULTKD27V12K0691DTCDERATE WARNINGDEF QUALITY ALERT1239 311239 111239 0
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Get a diagnosis walkthrough for SD HIGHFUELPRESS on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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