Komatsu 830E-AC Shop Manual page 998

B4. Manual Backup Lights
This amber indicator will illumi-
nate when the manually oper-
ated manual backup light switch
(19, Figure 5-7) is turned ON.
C4. Engine Shutdown Timer - 5
Minute Idle
When the engine shutdown timer
switch has been activated (2,
Figure 5-7), this indicator light will
illuminate to indicate that the
shutdown timing sequence has
started. Information detailing the operation of this
switch is outlined earlier in this section.
D4. Retard Speed Control
(RSC) Indicator
This amber light is illuminated
when the RSC switch mounted
on the console is pulled out to
the ON position. The light indi-
cates the retarder is active. It is
for feedback only and does not signal a problem.
E4. Check Engine
This amber check engine indica-
tor will illuminate if a malfunction
is detected by the engine elec-
tronic control system.
If this indicator illuminates, truck
operation may continue, but
maintenance personnel should be alerted as soon as
possible.
N5-26
A5. No Power
This red "no retard/no propel"
indicator light indicates a fault
has occurred which has elimi-
nated the retarding and propul-
sion capability. A warning buzzer
will also sound.
If this condition occurs, the operator should safely
stop the truck, move directional control lever to
PARK, shutdown the engine, and notify maintenance
personnel immediately.
B5. Propulsion System Warn-
ing
When this amber indicator is
illuminated, the light indicates a
"no propel" or "no retard" event
may be about to occur. It is
intended to provide advance
notice of these events when
possible. It does not require the operator to stop the
truck, but may suggest that truck operation be appro-
priately modified, in case a red alarm does occur.
C5. Propulsion System Tem-
perature
This amber AC drive system
temperature warning light indi-
cates the drive system tempera-
ture is above a certain level.
When this condition occurs, the
operator should consider modifying truck operation in
order to reduce system temperature. The operator is
not required to stop the truck at this time.
D5. Electrical System Failure
This red warning light indicates
that the VHMS system detected
a failure somewhere in the 24
volt electrical system.
Operator Controls 10/06 N05070