Paccar PX 8, Operator'S Manual

Page: 22 / 94

Operating Instructions
– 16 –
Y53-1030A 12/09 PACCAR
With the key in the ON position, the engine indicator lamps
will come on momentarily and then go out. The engine
indicator lamps include:
1. Check engine lamp; amber in color.
2. STOP engine lamp; red in color.
3. Diesel Particulate Filter (DPF) status indicator; amber in
color.
4. 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 de-
rate.
If any of the lamps remain on or begin to flash, refer to
“
Engine Indicator Lamps ” on page 25.
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.