Paccar PX-9 Operator's Manual - page 41
OPERATING INSTRUCTIONS
1.
Check engine lamp; amber in
color.
2.
STOP engine lamp; red in color.
3.
Diesel particulate filter (DPF)
status indicator; yellow in color.
4.
Diesel exhaust fluid (DEF) lamp;
amber in color.
5.
Malfunction Indicator Lamp; amber
in color.
6.
High exhaust system temperature
(HEST); amber in color.
The DEF Warning screen is displayed
when the DEF Fluid level has reached
a critically low level. It may be
suppressed by pushing enter on the
MCS (Menu Control Switch). This
warning may be accompanied by the
DEF Level in the low range, DEF Lamp
on solid or flashing, the Check Engine
lamp, the Stop Engine lamp, the MIL
lamp, and/or engine derate.
If any of the lamps remain on or begin
to flash, refer to “Engine Indicator
Under cold conditions, the
“Wait-to-Start” lamp will illuminate at
key on, and will stay on for a period of
up to 30 seconds.
NOTE
The length of time the “Wait-to-
Start” lamp remains illuminated de-
pends on the ambient temperature.
The lower the ambient tempera-
ture, the longer the lamp will be
illuminated.
Once the “Wait-to-Start” lamp turns off,
turn the key to the starting position to
start the engine.
NOTE
Engines equipped with air starting
motors require a minimum of 70
PSI (480 kPa).
(12/2014)
Y53-1185-1B1
4-5
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