Komatsu H70051 Series Operation & Maintenance Manual page 94

EXPLANATION OF COMPONENTS OPERATION
AIR CLEANER CLOGGING CAUTION LAMP
Air cleaner clogging caution lamp warns about clogging of the
air cleaner.
If the caution lamp lights up in yellow and action level "L01" is
displayed, stop the engine, then inspect and clean the air
cleaner.
See "METHOD FOR CHECKING, CLEANING AND REPLAC-
ING AIR CLEANER".
FAN CONTROL SYSTEM CAUTION LAMP
The fan control system caution lamp warns about abnormality
in the fan control 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.
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.
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