22
Warnings and safety regulations
– The vehicle informs the driver when the Diesel Particulate Filter (DPF), which is part
of the Emission Aftertreatment System (EAS), needs maintenance. To prevent
standstill, make sure to do so in time. See section 'Regenerating DPF' in chapter
'Driving'.
– Fill the AdBlue tank directly with AdBlue supplied by DAF or any other supplier
(always from the original packaging). Use official AdBlue filling equipment. Filling
up the AdBlue tank using a dedicated filler gun results in a maximum fill volume of
80%. See section 'Refuelling diesel and refilling AdBlue' in chapter 'Driving'.
– Always fill up the system with 100% clean AdBlue of the prescribed quality. See
section 'AdBlue' in chapter 'Technical data'. Never use contaminated AdBlue or
contaminated canisters or funnels to fill up the AdBlue tank.
– Avoid diesel mixing with AdBlue in the AdBlue tank: Always use 100% clean
canisters and funnels that have not been used for any other liquids, such as diesel
or petrol.
Legislation requires that, if a number of conditions are detected, an engine power
derate eventually followed by a vehicle speed limit are applied.
When such a condition is detected, warnings appear on the master display of DIP-5. If
the warnings are ignored, an engine power derate of 25% is applied after a certain
amount of time.
Continuing to operate the vehicle in this condition eventually results in the vehicle
speed being limited to 20 km/h. These conditions are:
– The AdBlue tank is filled with the wrong quality or contaminated AdBlue.
– AdBlue tank level is low or too low, or the tank is empty.
– Malfunctioning of the AdBlue system (for example, AdBlue dosing is interrupted or
primary input signals for the system fail).
– Impeded EGR valve.
Engine power derate symbol.
NOTE: Derate is activated at vehicle standstill or engine idle if the vehicle
speed sensor has failed.
When the malfunction that has occurred is eliminated, derate is deactivated and full
engine power is available.
Derate is deactivated at vehicle standstill or engine idle if the vehicle speed sensor has
failed.
NOTE: Emission levels can also rise above legal limits as a result of
malfunctions in the engine and or EAS system. These also generate
warnings on the master display of the DIP-5 and can activate engine power
derates in excess of 25%.
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