Komatsu WA380-6 Operation & Maintenance Manual page 64

OPERATION
EXPLANATION OF COMPONENTS
TYPES OF WARNING
If an abnormality occurs on the machine, or if any switch or lever is
operated accidently, the monitor display and buzzer give a warning
to inform the operator.
Following are the types of warning depending on the level of
danger.
REMARK
For details of action codes " E03 - E01", see "ACTION CODE
DISPLAY (PAGE 3-9)" in the OPERATION Section.
EMERGENCY STOP
This warning is given if there is a serious failure that affects the normal operation of the machine or if the setting is
incorrect.
The central warning lamp on the monitor and the caution lamp for the location of the abnormality light up. At the same
time, the alarm buzzer sounds and action code "E03" is displayed on character display (1).
CAUTION
This warning is given if the coolant or lubricating oil overheat.
The central warning lamp on the monitor and the individual caution lamps light up. At the same time, the alarm
buzzer sounds and action code "E02" is displayed on character display (1).
MISTAKEN OPERATION
This warning is given if any switch or lever is operated mistakenly.
The central warning lamp on the monitor lights up and the alarm buzzer sounds at the same time.
INSPECTION AND MAINTENANCE
This warning is given if it is necessary to inspect and maintain wear parts, or if it is necessary to check the oil or
coolant level.
The individual caution lamp on the monitor lights up. At the same time, action code "E01" is displayed on character
display (1).
With this warning, the central warning lamp does not light up and the alarm buzzer does not sound.
CENTRAL WARNING LAMP
This display (1) lights up if any emergency stop item, caution item,
or mistaken operation of any switch or lever occurs. At the same
time the alarm buzzer sounds.
Check the display content and perform the specified action for that
item.
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