ACTION LEVEL DISPLAY
Action
level display indicates the degree of urgency of the ab-
normality currently generated on the machine by “L01” to “L04”.
The larger the number in the table is, the more serious effects
the abnormality may have on the machine if it is left with no ac-
tion.
If the machine monitor indicates an action level, check the
message displayed on the machine monitor.
By pressing switch F5 on the standard screen while the action
level is displayed, the list of the current abnormality is dis-
played.
Take appropriate actions by following the message displayed
on the machine monitor.
List of action level display and remedies
Degree
of ur-
gency
Action lev-
el
Buzzer Caution lamp Required action
High
↑
│
│
│
│
│
↓
Low
L04 Sounds contin-
uously
Lights up in
red
Stop the machine immediately and ask your Komatsu distrib-
utor for inspection and maintenance.
L03 Sounds inter-
mittently
Lights up in
red
Stop the operation, move the machine to a safe place, then
ask your Komatsu distributor for inspection and maintenance.
L02 Sounds inter-
mittently
Lights up in
red
Stop the operation, and run the engine at medium speed with
no load or stop it.
If the condition is not improved, ask your Komatsu distributor
for inspection and maintenance.
L01 Does not
sound
Lights up in
yellow
Some functions may be restricted from use, but the machine
can operate. When you finish the operation, always perform
the inspection and maintenance. Ask your Komatsu distribu-
tor for the inspection and maintenance as needed.
CAUTION LAMP LIST
NOTICE
•
These caution lamps do not guarantee the condition of the machine.
Do not simply rely on the caution lamp when performing check before starting (start-up inspection).
Always get off the machine and check each item directly.
• When the caution lamp is displayed in red, if no action is taken, the machine can be seriously affect-
ed.
Take the action immediately.
• The engine output or engine speed is limited and the machine operation speed may become slow,
depending on the contents of the warning.
EXPLANATION OF COMPONENTS OPERATION
3-10
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