Komatsu WA500-6H Operation & Maintenance Manual page 85

Operation
3. Battery charge circuit caution lamp
This lamp (3) lights up when the engine is running to warn the
operator that an abnormality has occurrred in the charging cir-
cuit.
During checks before starting (starting switch at the ON position,
engine stopped) the lamps are lighted up, and when the engine
is started, the lamps go out.
During operation (engine running)
If an abnormality occurrs in the charging circuit during opera-
tion, the battery charge circuit caution lamp and central warning
lamp light up and the alarm buzzer sounds intermittently.
At the same time, "E03 CHECK RIGHT NOW" is displayed on
the character display, so stop the machine immediately, then
stop the engine and carry out inspection.
4. Steering oil pressure caution lamp
(Red)
This lamp (4) lights up to warn the operator that the steering oil
pressure has dropped.
During checks before starting (starting switch at the ON position,
engine stopped) the lamps are lighted up, and when the engine
is started, the lamps go out.
During operation (engine running)
If the steering oil pressure goes down during operation, the
steering oil pressure caution lamp and central warning lamp light
up and the alarm buzzer sounds intermittently.
At the same time, "E03 CHECK RIGHT NOW" is displayed on
the character display, so stop the machine immediately, then
stop the engine and carry out inspection.
WA500-6H – VEAM430100
3.2 Explanation of components
GK032095
GK032096
3-19