Multiquip Inc.

DEF SEVERE INDUCMT

UnclassifiedEmissions

What This Code Means

Stage 1 Warning Level 1 alarm screen message active; Stage 2 Warning Level 2 alarm screen message active; Stage 3 Shutdown alarm screen message active; EXHAUST System Err message flashing; DEF Presvr Inducmt pre-alarm message active; DEF Severe Inducmt pre-alarm message active; Engine Emission Indicator flashing; Check Engine Indicator ON; Unit enters intermittent operation; Emergency shutdown activates

Possible Causes

  • •DEF tank level has reached 0%
  • •Disconnection of sensors
  • •No supply of DEF
  • •Problems with DEF dosing
  • •Use of poor quality DEF
  • •Warnings ignored

Suggested Actions

  1. 1Activate Escape mode to restart the unit (unit will only run for 30 minutes)
  2. 2Ensure use of proper quality DEF
  3. 3Reconnect disconnected sensors
  4. 4Refer to the Replacement of DEF Filter section in the Isuzu engine owner’s manual
  5. 5Replace the DEF filter (located in the urea SCR system supply module) every 1,000 hours of operation
  6. 6Resolve problems with DEF dosing
  7. 7Supply DEF

Related Multiquip Inc. Fault Codes

EXHAUST SYSTEM ERRMAINTENANCE INTERVALDEF PRESVR INDUCMTMLINK GAGE FAULTDEF LOW REFILLSCR FORCED PURGE REQADD DEF OR USE ESCAPE MENUSCR SYSTEM MALFUNCTIONSHUTDOWNSPN110 FMI10WARNING LEVEL 1WARNING LEVEL 2
Browse all Multiquip Inc. fault codes

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