Komatsu H75051 Operation & Maintenance Manual page 83

OPERATION
List of action level displays and required actions
Degree of Action
urgency level
L04
L03
High
↑
│
│
│
L02
│
│
↓
Low
L01
REMARK
• When the action level display is "L01", "L01" is displayed
only for 2 seconds, and then it is turned OFF.
• If plural failures occur at the same time, the action level
with the highest urgency (the greatest number) is dis-
played.
CURRENT ABNORMALITY LIST DISPLAY
The monitor provides information on failures that occurred on the machine and necessary remedies for action
levels that are displayed.
When ENTER switch is pressed while the guidance icon is displayed, the screen changes to the "Current Ab-
normality" screen.
Centralized
Buzzer
warning lamp
Sounds
Lights up continuous-
ly
Sounds in-
Lights up
termittently
Sounds in-
Lights up
termittently
Does not
OFF
sound
EXPLANATION OF COMPONENTS
Caution
lamp
Stop the machine immediately and ask your Ko-
Lights up
matsu distributor for inspection and maintenance.
in red
Stop the operation and move the machine to a
Lights up
safe place, then ask your Komatsu distributor for
in red
inspection and maintenance.
If there is an overrun related display, reduce the
engine speed and machine travel speed while
continuing operations.
If there is an overheat related display, stop the
machine at a safe place, and run the engine at
medium speed with no load.
Lights up
in red
If there is a secondary steering related display,
avoid a long time usage of the secondary steer-
ing.
If the condition is not improved, check the failure
code and ask your Komatsu distributor for in-
spection and maintenance.
Some functions may be restricted from use, but
the machine can operate. When you finish the
Lights up
operation, always have the inspection and main-
in yellow
tenance performed. Ask your Komatsu distributor
for the inspection and maintenance as needed.
Required action
3-17