Komatsu WA600-8 Operation & Maintenance Manual page 93

OPERATION EXPLANATION OF COMPONENTS
STEERING OIL PRESSURE CAUTION LAMP
The steering oil pressure caution lamp warns the operator that
the steering oil pressure is below the specified value.
When action level "L03" is displayed
If the steering oil pressure drops below the specified value
while the engine is running, the caution lamp lights up in red.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Stop the operation, move the machine to a safe place, stop the
engine, then ask your Komatsu distributor for inspection and
maintenance.
When action level is not displayed and lamp lights up in red
When the engine is started, the caution lamp lights up in red until the steering oil pressure rises above the
specified value.
At the same time, the centralized warning lamp lights up and alarm buzzer sounds intermittently.
Wait until the caution lamp goes out, and then start the machine.
Action level is not displayed and only lamp lights up in yellow
If the steering oil pressure is below the specified value while the engine is stopped, the caution lamp lights up in
yellow.
SECONDARY STEERING SYSTEM CAUTION LAMP
The secondary steering system caution lamp warns about ab-
normality in the secondary steering system.
When action level "L03" is displayed
The caution lamp lights up in red.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Stop the operation, move the machine to a safe place, stop the
engine, then ask your Komatsu distributor for inspection and
maintenance.
When action level "L01" is displayed
The caution lamp lights up in yellow.
When you finish the operation, always perform the inspection and maintenance.
Ask your Komatsu distributor for the inspection and maintenance as needed.
SYSTEM CAUTION LAMP
The system caution lamp warns about abnormality in the ma-
chine system, including the sensors.
When action level "L03" is displayed
The caution lamp lights up in red.
At the same time, the centralized warning lamp lights up and
alarm buzzer sounds intermittently.
Stop the operation, move the machine to a safe place, stop the
engine, then ask your Komatsu distributor for inspection and
maintenance.
When action level "L01" is displayed
The caution lamp lights up in yellow.
When you finish the operation, always perform the inspection and maintenance.
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