Komatsu Galeo D61EX-15 Operation & Maintenance Manual page 60

OPERATION
EXPLANATION OF COMPONENTS
MAINTENANCE CAUTION LAMP
This lamp (2) lights up for approx. 30 seconds after the starting
switch is turned to the ON position if the filter or oil replacement
interval has been reached.
After replacing the indicated filter or oil displayed on display
panel B (multi-information), reset the interval. For details, see
"METHOD OF USING OIL AND FILTER MAINTENANCE
MODE (3-26)".
The lamp goes out.
REMARK
At the same time, the filter or oil replacement interval lamp also
lights up or flashes.
3-11