Komatsu PC30MR-5 Operation & Maintenance Manual page 86

EXPLANATION OF COMPONENTS
ENGINE SYSTEM CAUTION LAMP
Continuous operation with the red caution lamp being lit may affect the machine seriously. Stop the en-
gine immediately.
The engine system caution lamp warns about abnormality in
the engine 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 operation and move the machine to a safe place, 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 perform the inspection and maintenance.
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.
CHARGE LEVEL CAUTION LAMP
Charge level caution lamp warns about abnormality in the
charging system while the engine is running.
When abnormal
The caution lamp lights up in red, and action level "L03" is dis-
played.
The alarm buzzer sounds intermittently.
Charging is not be performed normally while the engine is run-
ning.
Stop the engine, check the fan belt for damage, and then ask
your Komatsu distributor for inspection and maintenance.
3-20
k k
CAUTION
WENAM00150
OPERATION