Komatsu WA320-5H Operation & Maintenance Manual page 256

ATTACHMENTS, OPTIONS
SERVICE METER
This meter (1) shows the total time that the machine has been
operating.
While the engine is running, the service meter advances even if
the machine is not moving.
The meter advances by 1 for every hour of operation, regard-
less of the engine speed.
Even if the starting switch is at the OFF position, the service
meter will display as long as the top part ( ) of monitor panel
mode selector switch 1 is being pressed.
NOTICE
When the starting switch is at the OFF position, if the service meter is displayed even though the top ( )
of monitor panel mode selector switch 1 is not being pressed, there is probably a failure in the machine,
so please contact your Komatsu distributor for inspection.
CLOCK
This display portion (2) shows the time.
For details of the method of adjusting the time, see "METHOD
OF SETTING TIME ON CLOCK (6-46)".
Even when the starting switch is at the OFF position, the time
is displayed while the top ( ) position of monitor panel mode
selector switch 1 is being pressed.
ACTION CODE DISPLAY
If action code E03 is displayed, stop the machine immediately and check the failure code. For details, see
"FAILURE CODE DISPLAY (6-11)".
Inform your Komatsu distributor of the failure code and ask for repairs.
If there is a failure on the machine, or it is necessary to change the method of operation, or if inspection or mainte-
nance must be carried out, action code E00, E01, E02, or E03 is displayed on the character display in display por-
tion (3).
If different failures occur at the same time, the action code for the more serious problem is displayed.
The level of seriousness is as follows, starting with the most serious: E03, E02, E01, E00.
In the case of action codes E00, E02, and E03, the alarm buzzer sounds intermittently and the central warning
lamp lights up.
If action codes E00, E01, E02, or E03 are displayed on the character display, stop operations, check the content
of the display, and take the following action.
MACHINE MONITOR WITH LOAD METER
WARNING
6-9