LED2

UnclassifiedCooling

What This Code Means

Generator set shuts down; Fault lamp lights; LED2 lights on control board; Generator set does not shut down and restart as described during High Engine Temperature (HET) shutdown test

Possible Causes

  • •Engine temperature reaches 305°F
  • •Faulty control board
  • •Generator set temperature reaches 305 °F (High Engine Temperature switch closes)
  • •Generator set temperature reaches 305 °F for 5 seconds

Suggested Actions

  1. 1Replace the control board
  2. 2Test procedure: Jump the HET switch lead to ground and observe shutdown after approximately 35 seconds
  3. 3Verify automatic restart 5 seconds after removing the jumper

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for LED2 on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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