OPM 200 en-GB
24
©
Scania CV AB 2014, Sweden
Starting and running
Running
Check instruments and warning lamps at regular
intervals.
Engine speed range
Emission control
The system provides a warning if there are faults
on the SCR system or if the level of reductant in
the reductant tank is too low. In the case of some
faults, for example if doser cooling is not work-
ing, the torque is reduced.
Reaction at low reductant level
The engine resumes normal torque after reduct-
ant has been filled to a level of at least 20%.
600-750 rpm
Low idling. Engine idling is controlled by the engine management system.
Low idling up to 2,100 rpm
Engine operating speed range. Controlled by the engine management sys-
tem.
2,100-2,600 rpm
Unsuitable operating speed, but a slightly higher engine speed than the nor-
mal maximum operating speed may occur when load is low or negative.
2,600-3,000 rpm
Prohibited engine speed.
Reductant
level
Warning
lamp
Torque reduction
1
1. Applies only to engines that are certified according to Tier
4.
20%
Constant
light
10%
Flashing
Torque is reduced by
1% per minute to
70% of the highest
torque
0%
Flashing rap-
idly
Torque is reduced to
0% (low idling)
within 2-10 minutes
319 562
Symbol for low reductant level
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