Komatsu PW98MR-10 Operation & Maintenance Manual page 89

OPERATION
HYDRAULIC OIL TEMPERATURE CAUTION LAMP
The hydraulic oil temperature caution lamp warns about states
of hydraulic oil temperature.
When abnormal
The caution lamp lights up in red and indicates action level
"L02".
The hydraulic oil temperature has risen abnormally high.
Stop operations and stop the engine or run it at low idle until
the caution lamp changes to the normal display color (lights up
in blue) at an proper temperature.
REMARK
It is possible to check the temperature of the hydraulic oil on
the indicator light next to the temperature indicator. For detail,
see "HYDRAULIC OIL TEMPERATURE GAUGE (3-32)".
SYSTEM CAUTION LAMP
The system caution lamp warns about abnormality in the ma-
chine system, including the sensors.
When action level "L03/L04" is displayed
The caution lamp lights up in red and the alarm buzzer sounds
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level "L01" is displayed
The warning lamp lights up in yellow.
Some functions may be restricted from use, but the machine can operate.
However the machine can operate.
When you finish the operation, always have the inspection and maintenance performed.
HYDRAULIC SYSTEM CAUTION LAMP
The hydraulic system caution lamp warns about abnormality in
the hydraulic system.
When action level "L03/L04" is displayed
The caution lamp lights up in red and the alarm buzzer sounds
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level "L01" is displayed
The warning lamp lights up in yellow.
Some functions may be restricted from use, but the machine can operate.
However the machine can operate.
When you finish the operation, always have the inspection and maintenance performed.
ENGINE SYSTEM CAUTION LAMP
Continuous operation with the red caution lamp being lit may affect the machine seriously. Stop the en-
gine immediately.
k k
CAUTION
WENAM00061
EXPLANATION OF COMPONENTS
RKA54330
3-21