Komatsu PC210-11, Operation & Maintenance Manual

Page: 97 / 522

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 is abnormally high.
Stop operations, and stop the engine or run it at low idle until
the caution lamp changes to the normal display colour (blue) at
an proper temperature.
When temperature is low
The caution lamp lights up in white.
The hydraulic oil temperature is low.
It is necessary to warm up the hydraulic component.
Perform the warm-up operation for the hydraulic component until the caution lamp changes to the normal dis-
play colour (blue) at an proper temperature.
For detail, see “METHOD FOR HYDRAULIC SYSTEM WARM-UP OPERATION”.
When temperature is correct
The caution lamp lights up in blue.
FUEL LEVEL CAUTION LAMP
The fuel level caution lamp warns about low remaining fuel lev-
el.
When fuel level is low
The caution lamp lights up in red.
The remaining fuel amount is approximately 41 ℓ or less.
Add fuel as soon as possible.
When normal
The caution lamp lights up in blue.
SYSTEM CAUTION LAMP
The system caution lamp warns about abnormality in the ma-
chine system, including the sensors.
When action level “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 “L03” is displayed
The caution lamp lights up in red and the alarm buzzer sounds
intermittently.
Stop the operation and move the machine to a safe place, then ask your Komatsu distributor for inspection and
maintenance.
When action level “L01” is displayed
The caution lamp lights up in yellow.
Some functions may be restricted for use, but the machine can operate.
When you finish the operation, always perform the inspection and maintenance.
OPERATION EXPLANATION OF COMPONENTS
3-23