Operation - Section 32 OM3223
Page 32-20 Operator Cab and Controls
C3. Body Up
This amber body up indicator,
when illuminated, shows that the
body is not completely down on
the frame. The truck is not to be
driven until body is down and
light is off.
D3. Dynamic Retarding
This amber dynamic retarding
indicator light illuminates when
the retarder pedal is operated,
RSC (Retarder Speed Control) is
activated, or the automatic over-
speed retarding circuit is ener-
gized, indicating the dynamic
retarding function of the truck is operating.
E3. Stop Engine
This red engine monitor 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 discon-
tinued and the maximum engine speed will be
reduced to 1250 rpm. 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 apply parking brake.
Shut down the engine immediately. Additional
engine damage is likely to occur if operation is
continued.
A4. Not Used
Reserved for future use or
options.
B4. Manual Backup Lights
This amber indicator will illumi-
nate when the manually oper-
ated manual backup switch (3,
Figure 32-6, Instrument Panel) is
turned ON.
C4. Engine Shutdown Timer -
5 Minute Idle
When the engine shutdown
timer switch has been activated
(2, Figure 32-11), this indicator
light will illuminate to indicate
that the shut down timing
sequence has started. Refer to
Instrument Panel for operation of this switch.
D4. Retard Speed Control
Indicator
This amber light is illuminated
when the RSC switch mounted
on the console is pulled out to
the ON position.
E4. Check Engine Monitor
This indicator light is illuminated
when there is a need to have
maintenance personnel inspect
the engine.
A5. Service Engine
This amber indicator light will
illuminate when the Advanced
Engine Monitor (AEM) system
detects a fault. A warning
buzzer will also sound.
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