FREQUENCY LOW SD *

UnclassifiedGeneral

What This Code Means

Governed frequency falls below 90% of the system frequency setting for more than 10 seconds; Governed frequency falls 1 Hz below the system frequency setting for more than 60 seconds

Possible Causes

  • Excessive generator load

Suggested Actions

  1. 1Reduce the load and restart the generator set

ASK RUDY ABOUT THIS FAULT

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

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