Komatsu D375A-8, Operation & Maintenance Manual

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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.
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 OIL LEVEL CAUTION LAMP
(if equipped)
Engine oil level caution lamp warns about the drop of engine oil level.
EXPLANATION OF COMPONENTS OPERATION
3-24