Onan

00-041

UnclassifiedFuel

What This Code Means

Engine will not crank; High AC output; Low AC output; Engine starts but stops when switch released; Engine Unstable (Hunts) (Genset); Engine Will Not Crank (Genset); High/Low AC Output (Genset); Starts But Stops When Switch Released; Engine cranks but will not start; Engine overfueling; Engine unstable (hunts); Engine unstable (hunts) (Genset); High AC Output; Low AC Output; Engine unstable (hunting); Engine cranks but will not start (Genset); Engine will not crank (Genset); Engine Unstable (Genset Hunts or Surges); Excessive Exhaust Smoke Under Load; Excessive White Exhaust Smoke at Start-up (Warm Engine); Excess white smoke at start-up (warm); Genset Unstable (Hunts)

Possible Causes

  • •Low battery voltage
  • •Loose or dirty terminal connection
  • •Incorrect battery cable size
  • •Starter drive engagement failure
  • •Faulty remote control
  • •Faulty connections on PCB control board
  • •Faulty start solenoid
  • •Faulty starter
  • •Broken or loose wires
  • •Faulty voltage regulator
  • •Faulty transformer regulator
  • •Incorrect engine speed
  • •Incorrect voltage adjustment pot setting
  • •Faulty main rotor
  • •Faulty main stator
  • •Low oil level
  • •Faulty oil pressure switch
  • •Faulty choke element
  • •Governor out of adjustment
  • •Carburetor out of adjustment

Suggested Actions

  1. 1Check battery voltage
  2. 2Check terminal connection for looseness or dirt
  3. 3Check battery cable size
  4. 4Check starter drive engagement
  5. 5Check remote control
  6. 6Check connections on PCB control board
  7. 7Check start solenoid
  8. 8Check starter
  9. 9Check for broken or loose wires
  10. 10Check voltage regulator
  11. 11Check transformer regulator
  12. 12Check engine speed
  13. 13Check voltage adjustment pot setting
  14. 14Check main rotor
  15. 15Check main stator
  16. 16Check oil level
  17. 17Check oil pressure switch
  18. 18Check choke element
  19. 19Perform governor adjustments
  20. 20Perform carburetor adjustments

Related Onan Fault Codes

SDC BAR 00 - 0AC00-0AC00-04200-04400-04000-04500-03700-04600-03300-04700-03100-048
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