Komatsu D37EX-24 Operation & Maintenance Manual page 81

OPERATION EXPLANATION OF COMPONENTS
Move the machine to a safe area and stop the machine, then ask your Komatsu distributor for inspection and
maintenance.
When action level "L01" appears on screen.
The caution lamp comes on in yellow.
It is not necessary to stop the machine immediately.
However, it is recommended for maintenance after the end of ongoing work.
Ask your Komatsu distributor for inspection and maintenance as necessary.
FAN CONTROL SYSTEM CAUTION LAMP
The fan control system caution lamp warns about abnormality
in the fan control system.
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 work, move the machine to a safe place, and 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 have the inspection and maintenance performed.
Ask your Komatsu distributor for inspection and maintenance as needed.
ENGINE OIL PRESSURE CAUTION LAMP
Engine oil pressure caution lamp warns about abnormality of
engine lubricating oil pressure.
When oil pressure is low
The caution lamp lights up in red and indicates action level
"L03".
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.
ENGINE OVERRUN CAUTION LAMP
The engine overrun caution lamp warns about the overspeed of
engine.
When engine overspeeds
The caution lamp lights up in red, and action level "L02" is dis-
played.
The alarm buzzer sounds intermittently.
Since overspeed can damage the engine and hydraulic compo-
nents, stop the work immediately and operate the machine at
low travel speed until the engine overrun caution lamp goes
out.
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