ARS RECYCLING SYSTEMS
DC Manual 20190729
Page | 10
Aftertreatment Indicators Overview
IMPORTANT
: The operator will be informed by the operator warning system
when the emission control system does not function correctly and/or an
engine malfunction is detected by the engine control unit. Ignoring the
operator warning signals will lead to an emission related derate, resulting in
an effective disablement of non-road mobile machinery operation.
It is essential to take prompt action to rectify any incorrect operation, use or
maintenance of the emissions control system in accordance with the
rectification measures indicated by the warnings referenced below.
The Diesel Exhaust Fluid (DEF) indicator illuminates when the DEF is low. Fill
DEF tank.
When the DEF indicator is combined with the warning indicator or engine stop
indicator engine performance is reduced by the Engine Control Unit (ECU)
because the DEF is below a measurable level. Fill DEF tank.
When engine emissions temperature indicator illuminates exhaust gas
temperature is high, elevated idle is active, or exhaust filter cleaning is in process. The machine can be operated as
normal unless the operator determines the machine is not in a safe location for high exhaust temperatures and
disables auto cleaning.
When engine emissions temperature indicator is combined with the warning indicator or engine stop indicator
engine performance is reduced by the ECU because the exhaust gas temperature is higher than expected. Follow
Diagnostic Trouble Code (DTC) procedure or see your authorized servicing dealer.
When the exhaust filter indicator illuminates the exhaust filter cleaning is in process, aftertreatment system has a
fault, or the exhaust filter is in need of cleaning and the operator has disabled auto exhaust filter cleaning. If
conditions are safe, the operator should enable the auto exhaust filter clean setting or perform manual service
regeneration or follow DTC procedure.
When the exhaust filter indicator is combined with the warning indicator engine performance is reduced by the ECU
because there is an aftertreatment system fault or the soot level of the exhaust filter is moderately high. If conditions
are safe, the operator should enable the auto exhaust filter clean function. If conditions are not safe, the operator
should move the machine to a safe location and engage the auto exhaust filter cleaning mode. Perform manual
service regeneration or follow DTC procedure.
When the exhaust filter indicator is combined with the engine stop indicator engine performance is further reduced
by the ECU because there is an aftertreatment system fault or the soot level of the exhaust filter is extremely high.
If this combination is present, see your authorized servicing dealer.
The auto cleaning disabled indicator illuminates when the operator has engaged the request to disable the auto
exhaust filter cleaning function. This icon remains illuminated until the operator re-engages automatic exhaust filter
cleaning from the diagnostic gauge. Disabling auto mode is not recommended for any situation unless it is safety-
related or if the fuel tank lacks the required fuel to complete the cleaning process.
The engine emissions system malfunction indicator illuminates when engine emissions are outside of normal
operating range or engine emissions system fault. Follow DTC procedure or see your authorized servicing dealer.
When the engine emissions system malfunction indicator is combined with the warning indicator engine
performance is reduced by the ECU because the engine emissions are outside of normal operating range or engine
emissions system fault. Follow DTC procedure or see your authorized servicing dealer.