Types Of Warning - Komatsu WA500-6H Operation & Maintenance Manual

Operation 3.2 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" to "E00", see "Action code dis-
play (3-12)".
1
GK050027
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, and at the same time,
the alarm buzzer sounds and action code "E03" is displayed on
character display (1).
REMARK
The alarm buzzer sounds in a 1.6 second cycle. (0.8 sec. "ON"
-> 0.8 sec. "OFF") (The same cycle for ON, OFF)
Caution
This warning is given if the cooling water or lubricating oil over-
heat.
The central warning lamp on the monitor and the individual cau-
tion lamps light up, and at the same time, the alarm buzzer
sounds and action code "E02" is displayed on character display
(1).
REMARK
The alarm buzzer sounds in a 1.6 second cycle. (0.8 sec. "ON"
-> 0.8 sec. "OFF") (The same cycle for ON, OFF)
Mistaken operation
This warning is given if any switch or lever is operated mistak-
enly.
The central warning lamp on the monitor lights up and the alarm
buzzer sounds at the same time.
(The ON and OFF cycles have a different length.)
In addition, if the travel speed overruns, "OVERRUN PROTECT"
is displayed on the character display.
REMARK
The alarm buzzer sounds in a 0.25 second cycle. (0.2 sec. "ON"
-> 0.05 sec. "OFF") (The ON and OFF cycles have a different
length)
3-9
WA500-6H – VEAM430100