Cummins

1433

UnclassifiedCooling

What This Code Means

Engine fails to start; Red Shutdown status LED illuminated; Shutdown condition indicated on display; Engine coolant temperature is below the low coolant temperature warning threshold; Coolant level sensor signal is showing a low coolant level for greater than 10 seconds; Coolant level low warning; Coolant level low shutdown; Low fuel warning; Low fuel shutdown; Unconditional engine stop, bypassing any time delay to stop; Bypassed shutdown fault while the generator set was in Battle Short mode; Local or remote Emergency Stop has been activated; Fail to shutdown

Possible Causes

  • •Emergency Stop button is pressed
  • •Ambient temperature too cold for specified generator set
  • •Coolant heater malfunction or not installed
  • •Blockage in coolant system
  • •Low coolant
  • •Low fuel level
  • •Faulty or inoperable switch
  • •Local Emergency Stop button pressed
  • •Remote Emergency Stop button pressed
  • •Event/fault 1416 activated as a result of another active shutdown fault while the PowerCommand 3.3 control is operating in Battle Short mode
  • •Local or remote Emergency Stop has been activated

Suggested Actions

  1. 1Pull (or twist and pull) the Emergency Stop button out
  2. 2Press the Off button on the Operator Panel to acknowledge this action
  3. 3Press the Auto or Manual Run button as previously determined
  4. 4Investigate and remedy the cause of the emergency stop before attempting a reset and start
  5. 5Make sure the generator set meets its performance specifications
  6. 6Make sure the coolant heater is installed and powered
  7. 7Contact your Cummins service representative
  8. 8Stop the engine and allow the engine to cool down.
  9. 9Visually inspect and verify that the engine coolant is at the appropriate level.
  10. 10If the coolant level is too low, add coolant per specifications.
  11. 11Add the manufacturer's prescribed fuel.
  12. 12Remove the switch and verify proper switch operation. If either of the following conditions is demonstrated, the switch is defective: When the float is at the bottom of the switch, the wires do not show continuity; When the float is raised, the wires do not show an open circuit.
  13. 13Contact your local dealer if repair or replacement is required.
  14. 14Push this button in for Emergency Shutdown of the engine.
  15. 15Check the Input # requirements and correct if possible
  16. 16If the engine can be stopped, allow the engine to cool down completely before proceeding
  17. 17Troubleshoot the shutdown fault that is causing the generator set to shut down
  18. 18Allow the engine to cool down completely before proceeding with checks
  19. 19Reset the local/remote Emergency Stop button: De-activate (disable) the Emergency Stop button, press the Stop button, press the Reset button, and select the desired operating mode (manual or auto)
  20. 20Check that the Emergency Stop button is working correctly

Related Cummins Fault Codes

14341435133524161318C10001317C11001312C12501222C1300
Browse all Cummins fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 1433 on your specific Cummins unit — cited to the OEM manual, not a forum guess.

TRY IT FREE