•
press and hold the regen inhibit switch until
idle returns to normal;
•
shut down the engine.
ATS Warning Lamps and Messages
There are three warning lamps that alert the driver of
high exhaust temperature, the need to perform a
parked regen or service the DPF, or of an engine
fault that affects emissions. A decal attached to the
driver’s sun visor explains the ATS warning lamps.
Malfunction Indicator Lamp (MIL)
A steadily illuminated yellow malfunction indicator
lamp (MIL) indicates an engine fault that affects
emissions. See
Fig. 13.4.
DPF Status Lamp and Messages
When soot accumulates in the DPF, the driver
display screen presents a DPF status bar. As the
soot level in the DPF reaches 60 percent, the DPF
status lamp illuminates. See
Fig. 13.5. Perform a
parked regen or bring the vehicle up to highway
speed to increase the load (thus starting an active
regen). After the soot level in the DPF reaches 80
percent, a parked regen is necessary.
For an explanation of DPF zones, message screens,
warning lamps, and available regen modes, see
Table 13.3 (Detroit engines) or Table 13.4 (Cummins
engines).
If the DPF status lamp blinks and the driver display
screen shows a red status bar (90 percent full),
initiate a parked regen immediately in order to
prevent an engine derate.
If the DPF status lamp blinks, and the driver display
screen shows a DPF status bar that is fully red (100
percent full), begin a parked regen in order to
prevent an engine shutdown. Park the vehicle and
perform a parked regen.
DPF Zones, Detroit Engines
DPF Zone DPF Status Bar Warning Lamps Regen Mode Available
0
f61139806/10/2016
0–10% Green
— • passive
1
f61139906/10/2016
10–60% Green
— • over-the-road
Emissions
13.4
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