Komatsu PC210-10 Operation & Maintenance Manual page 90

EXPLANATION OF COMPONENTS
HYDRAULIC OIL TEMPERATURE MONITOR
Hydraulic oil temperature monitor:PC220_KU-PMT5-043K00A
This monitor warns about states caused by hydraulic oil tem-
perature.
When condition is abnormal:
q
The monitor lights up in red and displays 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 monitor changes to the normal display colour (blue) at an
appropriate temperature.
When temperature is low:
q
The monitor lights up in white.
The hydraulic oil temperature has fallen low.
It is necessary to warm up the hydraulic component.
Carry out the warm-up operation for the hydraulic equipment
until monitor comes to shows the normal display colour
(blue) at an appropriate temperature.
For details, see "HYDRAULIC SYSTEM WARM-UP OPER-
ATION (3-169)".
When temperature is correct:
q
The monitor lights up in blue.
FUEL LEVEL MONITOR
FUEL LEVEL MONITOR:PC-AD45-043K00A
This monitor warns about low remaining fuel level.
When remaining fuel level is low:
q
The monitor lights up red.
The remaining fuel amount is decreased to approximately 41
litres or below.
Add fuel as soon as possible.
When condition is normal:
q
The monitor lights up blue.
SYSTEM OPERATING MONITOR
SYSTEM OPERATING MONITOR:PC-Q1FD-043K00A
This monitor warns about abnormality in the machine system,
including the sensors.
When action level "L04"is displayed:
q
The monitor lights up red and the alarm buzzer sounds
continuously.
Stop the machine immediately, and carry out the inspection
and maintenance.
Ask your Komatsu distributor for inspection and mainte-
nance.
When action level "L03"is displayed:
q
The monitor lights up red and the alarm buzzer sounds inter-
mittently.
Stop the work, move the machine to a safe place, and carry
out the inspection and maintenance.
Please ask your Komatsu distributor for inspection and
maintenance.
When action level "L01"is displayed:
q
The monitor lights up yellow.
Part of the above functions may be restricted in some cases.
However, it does not affect your work.
Whenever finished the work, carry out the inspection and
maintenance.
As needed, ask your Komatsu distributor for inspection and
maintenance.
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OPERATION