OM3245 8/11 Operator Cab And Controls - Section 32
Page 32-23
E3. Stop Engine
This red warning light will illuminate
if a serious engine malfunction is
detected in the electronic engine
control system. Electric propulsion
to the wheel motors will be
discontinued. Dynamic retarding will
still be available if needed to slow or stop the truck.
Stop the truck as quickly as possible in a safe
area and move the directional control lever to
PARK. TURN OFF THE ENGINE IMMEDIATELY.
Additional engine damage is likely to occur if
operation is continued.
Listed below are a few conditions that could cause
the stop engine light to illuminate:
• Low Oil Pressure - red warning light will
illuminate, but engine does not shutdown.
• Low Coolant Level - red warning light will
illuminate, but engine does not shutdown.
• Low Coolant Pressure - red warning light will
illuminate, but engine does not shutdown.
• High Coolant Temperature - red warning light will
illuminate, but engine does not shutdown.
A4. Cranking Motor Failure
This amber indicator will illuminate
when either starter motor (of two)
fails to crank the engine, leaving
just one cranking motor to start the
engine. With only one cranking
motor doing the work of two, the
motor life will be shortened. If this indicator
illuminates, truck operation may continue, but
maintenance personnel should be alerted as soon as
possible.
This indicator light will also illuminate if the cranking
motors have been operational for more than 30
seconds at a time, or if seven attempts at starting for
the full 30 seconds is reached.
B4. Backup Lights
This amber indicator light will
illuminate when backup light switch
(18, Figure 32-8) is turned ON.
C4. Engine Shutdown Timer
When the key switch has been
turned OFF, and certain conditions
have been met, this amber indicator
light will illuminate to indicate that
the shutdown timing sequence has
started. The engine could operate
for up to three minutes.
• If the directional control lever is moved out of
PARK, the engine will stop immediately.
• If the key switch is turned back ON, the engine
stop sequence will be terminated, and the engine
will remain running.
D4. Retard Speed Control (RSC) Indicator
This amber indicator light is
illuminated when RSC switch (9,
Figure 32-3) is pulled out to the ON
position. The light indicates that the
retarder is active. It is for feedback
only and does not signal a problem.
E4. Check Engine
This amber indicator light will
illuminate if a malfunction is
detected by the engine electronic
control system.
If this indicator light illuminates, truck operation may
continue, but maintenance personnel should be
alerted as soon as possible.
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