SCR FORCED PURGE ACTIVE
UnclassifiedCooling
What This Code Means
Feeling sick; Unusual sounds; White smoke temporarily emitted from the exhaust tailpipe; Smell of ammonia; Unusual sounds during purge operation; Smell of ammonia during the purge process; Exhaust emissions have a different smell; Operator begins to feel sick
Possible Causes
- •Operating the unit in an area with poor ventilation
- •Operating the engine indoors without sufficient ventilation
- •Purge operation performed while the unit is operating under a light load (0–30%)
- •SCR purge operations
- •SCR purge process
- •SCR purge operation
- •Emission reduction functions of the exhaust system with urea SCR
Suggested Actions
- 1Stop the unit immediately
- 2Ventilate the area
- 3Install exhaust/ventilation equipment
- 4No action required (this should not be considered a problem)
- 5No action required (this should not be considered a failure)
- 6No action required (this is normal and should not be considered a problem)
- 7No action required (this is temporary and should not be considered a failure)
- 8No action required (this is normal compared to engines without urea SCR systems)
- 9Install exhaust/ventilation equipment if operating indoors
Related Multiquip Fault Codes
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