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OPERATION
EXPLANATION OF COMPONENTS
SYSTEM CAUTION LAMP
The system caution lamp warns about abnormality in the ma-
chine system, including the sensors.
When action level "L03/L04" appears on screen
The caution lamp comes on red and the alarm buzzer operates
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for the inspection and maintenance.
When action level "L01 " is displayed
The caution lamp comes on in yellow.
In some cases, some of the above functions may be restricted.
Nevertheless, this will have no effect on the operation.
Always perform the inspection and maintenance operations when the operation is completed.
HYDRAULIC SYSTEM CAUTION LAMP
The hydraulic system caution lamp warns about abnormality in
the hydraulic system.
When action level "L03/L04" appears on screen
The caution lamp comes on red and the alarm buzzer operates
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for the inspection and maintenance.
When action level "L01 " is displayed
The caution lamp comes on in yellow.
In some cases, some of the above functions may be restricted.
Nevertheless, this will have no effect on the operation.
Always perform the inspection and maintenance operations when the operation is completed.
AFTERTREATMENT DEVICE SYSTEM CAUTION LAMP
This warns about defects of the aftertreatment devices system.
When action level "L04" appears on screen.
The caution lamp comes on in red and the alarm buzzer oper-
ates continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level "L03" appears on screen.
The caution lamp comes on in red and the alarm buzzer oper-
ates intermittently.
Stop the work and move the machine to a safe area. Ask your Komatsu distributor for inspection and mainte-
nance.
When action level "L01" appears on screen.
The caution lamp comes on in yellow.
It is not necessary to stop the machine immediately.
However, it is recommended to inspect the machine for maintenance after you finish operations.
Ask your Komatsu distributor for inspection and maintenance as necessary.
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WENAM00130
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