Generac

2687

UnclassifiedFuel

What This Code Means

Low fuel warning triggered; Fuel level at 20% or less; Extremely low fuel level warning; Diesel high fuel level warning; External warning indicator true; Fluid basin overfill indicator true; Fluid basin missing indicator true

Possible Causes

  • •Low fuel switch triggered for 1 minute
  • •Fuel level is less than 10%
  • •Fuel level above 90% full
  • •Common warning indicator true for 1 second from configured external source I/O Extender
  • •Fluid basin overfill indicator true for 1 second from configured external source I/O Extender
  • •Fluid basin missing indicator true for 5 seconds from configured external source I/O Extender

Suggested Actions

  1. 1Review alarm log
  2. 2Address active alarms
  3. 3Inspect basin tank
  4. 4Contact technical service

Related Generac Fault Codes

268828062686300026853001268430022683300326823015
Browse all Generac fault codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 2687 on your specific Generac unit — cited to the OEM manual, not a forum guess.

TRY IT FREE