Komatsu 830E-AC Shop Manual page 844

Haul Cycle Warning Flags
The payload meter expects haul cycles to progress in
a particular way. When something unexpected takes
place, the system records a warning flag. Several
events within the haul cycle can cause a warning flag
to be generated. Each one indicates an unusual
occurrence during the haul cycle. They do not neces-
sarily indicate a problem with the payload meter or
payload calculation.
A: Continuous Loading
This message is generated when the truck is loaded
over 50% full without the payload meter sensing
swingloads. This indicates that a continuous loading
operation was used to load the truck. It may also indi-
cate that the payload meter did not receive the brake
lock input while the truck was being loaded. There
may be a problem with the wiring or the brake lock
was not used. The payload meter will not measure
swingloads unless the brake lock is used during the
loading process.
B: Loading to Dumping Transition
This message is generated when the payload meter
senses a body up input during the loading process.
This message is usually accompanied by a
no_final_load flag.
C: No Final Load
This message is generated when the payload meter
is unable to determine the final payload in the truck.
Typically, this means that the payload meter switched
from a loaded state to the dumping state before the
load could be accurately measured.
D: Maneuvering to Dumping Transition
This message is generated when the payload meter
senses a body-up input during the maneuvering or
repositioning process indicating that the operator has
dumped the load. It may also be generated if the
body-up signal is not properly reaching the payload
meter and the weight in the truck falls dramatically
while the truck is maneuvering or repositioning.
E: Average Load or Tare Used
This message indicates that the recorded payload
may not be as accurate as a typical final load calcula-
tion. Typically, this is recorded when loading begins
before an accurate tare is calculated or the load is
dumped before the load can be accurately mea-
sured.
M20-16
F: Final Zone to Dumping Transition
This message is generated when the payload meter
senses a body-up while it is calculating the final pay-
load indicating that the operator has dumped the
load. It may also be generated if the body-up signal is
not properly reaching the payload meter and the
weight in the truck falls dramatically while the truck is
calculating the final payload.
H: False Body Up
This message indicates that the body was raised dur-
ing the haul cycle without the load being dumped.
The body-up signal indicated that the truck was
dumping, but the weight of the truck did not fall below
20% of the rated load.
I: Body Up Signal Failed
This message indicates that the load was dumped
without a body-up signal being received by the pay-
load meter. The weight of the truck fell below 20%,
but the payload meter did not receive a body-up sig-
nal from the sensor.
J: Speed Sensor Failed
This message indicates that the payload meter
sensed the truck loading and dumping without
receiving a speed signal.
K: New Tare Not Calculated
The payload meter was not able to accurately calcu-
late a new empty sprung weight for the truck to use
as the tare value for the haul cycle. The tare value
from the last haul cycle was used to calculate pay-
load.
L: Incomplete Haul Cycle
The payload meter did not have proper data to start
the haul cycle with after powering up. When the
PLMIII powers off, it records the data from the haul
cycle in progress into memory. This flag indicates
that this data was not recorded the last time the pay-
load meter was shut down. This can happen when
the main battery disconnect is used to shut the truck
down instead of the key switch. A haul cycle with this
warning flag should not be considered accurate. Haul
cycles with this warning are displayed in red on the
Payload Summary window and are not included in
the summary statistics for reports or display.
Payload Meter III 02/05 M20008