Komatsu WA320-5H Operation & Maintenance Manual page 79

EXPLANATION OF COMPONENTS
ENGINE OIL LEVEL CAUTION LAMP
This lamp (2) lights up to warn the operator that the oil level in
the engine oil pan has gone down.
During checks before starting (when the starting switch is
turned to the ON position but the engine is not started), this
monitor lights up if the oil level in the engine oil pan is low.
At the same time, "E01" and "ENG OIL LEV LOW" are dis-
played alternately on the character display, so do not start the
engine. Check the oil level in the engine oil pan and add oil.
MAINTENANCE CAUTION LAMP
If the caution lamp lights up, repair the problem as soon as possible. If this is left as it is, it will lead to fail-
ure.
When the time for oil change is reached, this lamp (3) flashes
or lights up for approx. 30 seconds after completion of the sys-
tem check when the starting switch is at the ON position.
REMARK
The maintenance caution lamp flashes when there is less than
30 hours to the replacement time, and after the replacement
time has passed, it stay on.
For details of the items covered by filter and oil replacement, see "FILTER, OIL REPLACEMENT TIME DISPLAY
(3-12)".
After replacing the filter or changing the oil, reset time for the replacement. For details, see "RESET METHOD
FOR FILTER, OIL REPLACEMENT TIME (3-27)".
HST OIL FILTER CLOGGING CAUTION LAMP
When the engine is running, this lamp (4) lights up if the HST
oil filter is clogged.
During checks before starting (when the starting switch is
turned to the ON position but the engine is not started), this
monitor does not light up.
During operation (engine running)
This lights up if the HST oil filter is clogged.
At the same time, "E01" and "HST OIL FILTER" are displayed
on the character display in turn, so replace the oil filter.
REMARK
The lamp may light up in cold temperatures, but it should go out when the HST oil temperature gauge indicator
enters the white range.
3-20
CAUTION
OPERATION