Komatsu 830E-AC Shop Manual page 985

Data Store Button
Button (10, Figure 5-4) is for use by qualified mainte-
nance personnel to record in memory a "snap-shot"
of the AC drive system. It will also trigger the VHMS
system to store a snap-shot of the truck operating
system. Light (11, Figure 5-4) will stay illuminated
while the VHMS system is recording the snap-shot.
VHMS Snapshot In Progress Light
Light (11, Figure 5-4) is an indicator that will illumi-
nate while the VHMS system is in the process of tak-
ing a snapshot of machine data.
Link Energized Light
Light (12, Figure 5-4) is a red indictor that, when illu-
minated, indicates that the AC drive system is ener-
gized. No one is permitted to work on the AC drive
system while this light is illuminated.
Service Engine Light
Light (13, Figure 5-4) is a blue indicator that will illu-
minate if a problem is detected by the electronic
engine monitoring system.
Electric propulsion and dynamic retarding will still be
available.
If this light is ON, notify maintenance personnel so
they can diagnose and repair the problem the next
time the truck is in the shop for repairs or at the next
PM (Preventive Maintenance) interval.
DIAGNOSTIC PORTS
The diagnostic ports shown in Figure 5-5 are located
on the back wall of the cab next to the D.I.D. Panel.
VHMS Diagnostic Port
Diagnostic port (1, Figure 5-5) is used to download
truck operation data from the VHMS controller.
Interface Module (IM) Diagnostic Port
Diagnostic port (2) is used to connect the interface
module to a computer for installing software.
Payload Meter Diagnostic Port
Diagnostic port (3) is used to download data from the
payload meter system. Refer to Section 60, Payload
Meter III, for a more complete description of the pay-
load meter and its functions.
N05070 10/06
Truck Control Interface (TCI) Diagnostic Port
Diagnostic port (4) is used to access diagnostic infor-
mation for the Truck Control Interface (TCI).
Propulsion System Controller (PSC)
Diagnostic Port
Diagnostic port (4) is used to access diagnostic infor-
mation for the Propulsion System Controller (PSC).
Engine Diagnostic Port (CENSE)
Diagnostic port (6) is a three pin connector used to
access diagnostic information for the engine monitor-
ing system.
Engine Diagnostic Port (QUANTUM)
Diagnostic port (7) is a nine pin connector used to
access diagnostic information for the engine control
system.
FIGURE 5-5. DIAGNOSTIC PORTS
1. VHMS Diagnostic Port
2. IM Diagnostic Port
3. Payload Meter
Diagnostic Port
4. TCI Diagnostic Port
Operator Controls
5. PSC Diagnostic Port
6. Engine Diagnostic Port
(CENSE)
7. Engine Diagnostic Port
(QUANTUM)
N5-13