UNDERSPEED CONDITION

UnclassifiedCooling

What This Code Means

low battery is displayed; low charging battery is displayed; fault condition and shutdown; communication integrity issues; ATS interface board not connected; coolant level not checked

Possible Causes

  • low battery voltage detected
  • overspeed condition
  • underspeed condition
  • J1939, RBUS, Ethernet, and USB are monitored for messages indicating that the controller and wiring are not reliable.
  • Model RXT ATS interface board is not connected.
  • Coolant level is not checked.

Suggested Actions

  1. 1The exercise does not start.
  2. 2Engine speed is measured at low speed and full speed.
  3. 3If an overspeed or underspeed condition is detected, a fault condition and shutdown will occur.
  4. 4Communication integrity tests are performed by monitoring J1939, RBUS, Ethernet, and USB.
  5. 5The controller verifies that the Model RXT ATS interface board is connected.
  6. 6The coolant level is checked.

ASK RUDY ABOUT THIS FAULT

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