1900

UnclassifiedCooling

What This Code Means

Reduced startability at temperatures below 12 °C (55 °F); Localized overheating of the fluid

Possible Causes

  • Cold weather / temperatures below 12 °C (55 °F)
  • Critical operating coolant level reached
  • Critical operating pressure level reached
  • Critical operating speed (rpm) reached
  • Critical operating temperature level reached
  • Heated fluid is not continuously circulated
  • Potential problem with a gauge
  • Potential problem with the engine

Suggested Actions

  1. 1Consult Caterpillar dealer for assistance
  2. 2Correct the cause of the significant change in the readings
  3. 3Determine the cause of the engine shutdown and make necessary repairs
  4. 4Determine the cause of the significant change in the readings
  5. 5Do not use oil pan immersion heaters for heating the lube oil
  6. 6Ensure the fluid that is heated is continuously circulated
  7. 7Only use starting aid equipment recommended by Caterpillar to ensure component compatibility
  8. 8Reset the particular shutoff before attempting to restart the engine
  9. 9Use a starting aid (such as a Jacket Water Heater or Crankcase Oil Heater) at temperatures below 13 °C (55 °F)

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