AdBlue®/DEF quality monitoring
Display figure Alarm level Action
Replace AdBlue
Wrong AdBlue quality
Derate soon
- buzzer sounds 4 times
- amber central warning on
- solid symbol
Contact a qualified service
technician.
Replace AdBlue
Wrong AdBlue quality
Derate active
- buzzer sounds 4 times
- amber central warning on
- flashing symbol
- torque reduction
Contact a qualified service
technician.
Park safely
Wrong AdBlue quality
Full derate soon
- buzzer sounds continuously
- red central warning on
- flashing symbol
- torque reduction
Contact a qualified service
technician.
Replace AdBlue
Wrong AdBlue quality
Full derate active
- buzzer sounds continuously
- red central warning on
- flashing symbol
- forced idle or torque and speed
reduction (depending on market)
Contact a qualified service
technician.
Operating instructions
Exhaust aftertreatment system
193
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