1435
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; Engine has begun to overheat; Engine coolant temperature has risen to an unacceptable level; Engine is operating near cooling system capacity; Engine has overheated; Coolant temperature has risen above the shutdown trip point; Coolant level is low
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
- •Increase in load
- •Higher ambient temperature
- •Coolant leakage
- •Low coolant level
- •Obstructions to cooling airflow
- •Loose or damaged fan belt
- •Faulty blower fan or circulation pumps on remote radiator installations
Suggested Actions
- 1Pull (or twist and pull) the Emergency Stop button out
- 2Press the Off button on the Operator Panel to acknowledge this action
- 3Press the Auto or Manual Run button as previously determined
- 4Investigate and remedy the cause of the emergency stop before attempting a reset and start
- 5Make sure the generator set meets its performance specifications
- 6Make sure the coolant heater is installed and powered
- 7Contact your Cummins service representative
- 8Review fault code 151 correction list for other possible causes.
- 9Allow the engine to cool down completely before proceeding with checks.
- 10Look for possible coolant leakage points and repair if necessary.
- 11Check the coolant level and replenish if low.
- 12Check for obstructions to cooling airflow and correct as necessary.
- 13Check the fan belt and repair or tighten if necessary.
- 14Check the blower fan and circulation pumps on remote radiator installations.
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