DEF LOW!

UnclassifiedGeneral

What This Code Means

Engine stops; Escape Mode timer reaches zero minutes; Derate condition exists; Impending engine shutdown (SHUTDOWN IN 0048)

Possible Causes

  • Escape Mode time has expired
  • Low Diesel Exhaust Fluid (DEF) level

Suggested Actions

  1. 1Perform maintenance to return unit to proper operating condition

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for DEF LOW! on your specific Multiquip unit — cited to the OEM manual, not a forum guess.

TRY IT FREE