VOLTS L1-L2 LOW SD

UnclassifiedElectrical

What This Code Means

Generator voltage low; Output voltage falls below 80% of the nominal system voltage for more than 10 seconds

Possible Causes

  • Excessive load
  • Tripped enclosure thermostat (Model 20RESC/20RESCL only)

Suggested Actions

  1. 1Reduce the load and restart the generator set
  2. 2Check enclosure thermostat and reset if tripped (Model 20RESC/20RESCL only)
  3. 3Contact an authorized distributor/dealer for service

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for VOLTS L1-L2 LOW SD on your specific Rehlko unit — cited to the OEM manual, not a forum guess.

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