ENGINE SPEED LOW SD *

UnclassifiedSpeed

What This Code Means

Engine speed drops below 85% of the normal running speed for more than 3 seconds

Possible Causes

  • Excessive generator load
  • Tripped enclosure thermostat

Suggested Actions

  1. 1Reduce the load
  2. 2Check enclosure thermostat and reset if tripped
  3. 3Contact an authorized dealer for service

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for ENGINE SPEED LOW SD * on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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