Komatsu H75051, Operation & Maintenance Manual

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AIR CONDITIONER SYSTEM CAUTION LAMP
Air conditioner system caution lamp warns about abnormality in
air conditioner system.
If the caution lamp lights up in yellow and action level “L01” is
displayed, always perform inspection and maintenance after
the operation is finished.
Ask your Komatsu distributor for the inspection and mainte-
nance as needed.
MAINTENANCE TIME CAUTION LAMP
Maintenance time caution lamp displays the notices and alarms
concerning maintenance time.
This lamp lights up when the starting switch is turned to ON po-
sition. It goes out after 30 seconds and the screen changes to
the standard screen.
When lamp lights up in red
The maintenance due time is over.
If no action is taken, the machine performance will become
worse and the machine life will be shortened.
Perform necessary maintenance as soon as possible.
When lamp lights up in yellow
The maintenance time is approaching.
Prepare the necessary parts for the maintenance.
REMARK
• To check the items that need maintenance, see “Maintenance” menu screen.
• On the standard screen, when the menu switch is pressed while the caution lamp is lit, the screen changes
directly to “Maintenance” menu screen.
• For operations on “Maintenance” menu screen, see “MAINTENANCE SCREEN SETTING”.
• By default, the maintenance time caution lamp (yellow) is set to light up when the remaining time reaches
30 hours. However, you can change this setting. To change the setting, ask your Komatsu distributor.
CENTRALIZED WARNING LAMP
The centralized warning lamp lights up in red and at the same
time the alarm buzzer sounds intermittently when the machine
is under the following condition.
EXPLANATION OF COMPONENTS OPERATION
3-28