Komatsu PW98MR-10 Operation & Maintenance Manual page 91

OPERATION EXPLANATION OF COMPONENTS
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 indicates action level
"L03".
The alarm buzzer sounds intermittently.
Charging is not be performed normally while the engine is run-
ning.
Stop the engine and check the fan belt for damage, then ask
your Komatsu distributor for inspection and maintenance.
For details, see "OTHER TROUBLE (3-232)".
AIR CONDITIONER SYSTEM CAUTION LAMP
Air conditioner system caution lamp warns about abnormality in
air conditioner system.
When abnormal
The caution lamp lights up in yellow and indicates action level
"L01".
The air conditioner system has abnormality.
Ask your Komatsu distributor for inspection and maintenance
as soon as possible.
MAINTENANCE TIME CAUTION LAMP
Maintenance time caution lamp displays notices and alarms concerning maintenance time.
This lamp lights up when the starting switch is turned to "ON"
position. It goes out after 30 seconds and the display changes
to the standard screen.
When the due time is over
The caution lamp lights up in red.
The maintenance due time is over.
If no action is taken, the machine performance will become
worse and the machine life will be shortened.
Perform necessary maintenance as soon as possible.
When giving the notice of the due time
The warning lamp lights up in yellow.
The maintenance due time is approaching.
Prepare necessary parts for the maintenance.
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