Multiquip Inc.

EXHAUST SYSTEM ERR

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

  • •No supply of DEF
  • •Use of poor quality DEF
  • •Problems with DEF dosing
  • •Disconnection of sensors
  • •Warnings ignored

Suggested Actions

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

Related Multiquip Inc. Fault Codes

MAINTENANCE INTERVALMLINK GAGE FAULTDEF SEVERE INDUCMTSCR FORCED PURGE REQDEF PRESVR INDUCMTSCR SYSTEM MALFUNCTIONDEF LOW REFILLSHUTDOWNADD DEF OR USE ESCAPE MENUSPN110 FMI10WARNING LEVEL 1WARNING LEVEL 2
Browse all Multiquip Inc. fault codes

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