Generac

SERVICE B

UnclassifiedGeneral

What This Code Means

Yellow LED illuminated in any state

Possible Causes

  • •Service B maintenance required

Suggested Actions

  1. 1Check screen for additional information
  2. 2Check the screen for additional information
  3. 3Perform SERVICE B maintenance
  4. 4Press ENTER to clear

Related Generac Fault Codes

T1UNSUPPORTED DEVICESERVICE AWIRING ERRORRED LED ALARMYELLOW LED MAINTENANCEOVERLOAD REMOVE LOADOVERLOADOL 014431OL 014428OL - OPEN CIRCUITM
Browse all Generac fault codes

ASK RUDY ABOUT THIS FAULT

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

TRY IT FREE