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McCONNEL
Engine - Warnings and Aftertreatment SCR System Cleaning
The engine has a number indications that will if necessary be displayed on the MCU:
Warning – check the engine
Stop – Stop the engine
Selective catalytic reduction (SCR) cleaning
Diesel exhaust fluid
SCR system cleaning inhibit
High exhaust temperature
Warning
Exhaust cleaning
High exhaust temperature
WARNING CHECK ENGINE
The WARNING CHECK ENGINE indicates when the engine needs attention at the earliest
opportunity.
Another function of the WARNING CHECK ENGIINE is to display at the key ON to indicate
maintenance requirements when one of the following occurs:
Maintenance required
Water in fuel detected
Coolant level is low
STOP ENGINE
The STOP warning indicates, the need to stop the engine as soon as it it safe to do so.
The engine must remain shut down until the engine is repaired.
MULTIDRIVE M380‐4 & M420‐4
Stop
Exhaust cleaning inhibit
DEF level low
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