Komatsu D31EX-21, Operation & Maintenance Manual, Page: 71 / 256

OPERATION
EXPLANATION OF COMPONENTS
3-19
DISPLAY PANEL B (multi-information)
The top and bottom lines in display panel B (multi-information) display information related to the condition of the
machine.
The content of the display is divided into “OPERATING MODE“ and “MAINTENANCE MODE“. Use the buzzer
cancel switch to switch between the operating mode and maintenance mode.
For details of switching the mode, see“BUZZER CANCEL SWITCH (3-31)“.
OPERATING MODE (default screen)
Use this mode when operating the machine.
REMARK
When the starting switch is turned from the OFF position to the ON position, display panel B (multi-information)
always displays the operating mode.
The following information is displayed by the operating mode.
Top line (A): Action code
If any abnormality occurs on the machine, an action code is
displayed. If an action code appears, take the applicable
action. For details, see “OTHER TROUBLE (3-125)“.
This displays various types of filter or oil replacement intervals
have been reached.
Bottom line (B): Service meter or engine speed
Use the information switch to switch the display between the service meter and engine speed. For details of
switching the display, see “INFORMATION SWITCH (3-31)“.
Service meter
This displays the total number of hours that the machine has been operated. Use the display to determine the
intervals for periodic maintenance.
While the engine is running, the service meter advances, even if the machine is not being operated.
While the engine is running, the hourglass mark at the side of the meter light up to show that the meter is advanc-
ing.
The meter advances 0.1h for every 6 minutes that the engine is running,
Maintenance mode
This displays various types of information related to mainte-
nance of the machine.
For details, see “METHOD OF USING MAINTENANCE MODE
(3-21)“.