Komatsu PC1250-11, Original Instructions Manual

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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 being performed normally while the engine is
running.
Stop the engine and check the alternator belt for damage, then
ask your Komatsu distributor for inspection and maintenance.
AIR CLEANER CLOGGING CAUTION LAMP
Air cleaner clogging caution lamp warns about clogging of the
air cleaner.
When clogged
The caution lamp lights up in yellow and indicates action level
“L01”.
The air cleaner is clogged.
Stop the engine and check and clean the air cleaner.
For detail, see “METHOD FOR CHECKING, CLEANING AND
REPLACING AIR CLEANER”.
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 the 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 caution lamp lights up in yellow.
The maintenance time is approaching.
OPERATION EXPLANATION OF COMPONENTS
3-27