Komatsu WA380-8, Operation & Maintenance Manual, Page: 93 / 432

WATER SEPARATOR CAUTION LAMP
The water separator caution lamp warns that water is accumu-
lated in the water separator.
When water is accumulated in the water separator, the lamp
lights up in red.
Stop the engine and drain the water separator.
For details, see “METHOD FOR CHECKING WATER SEPARA-
TOR, DRAINING WATER AND SEDIMENT (3-162)”.
REMARK
The water separator forms one unit with the fuel prefilter.
The water separator is installed at the bottom of the fuel prefil-
ter as detachable condition.
AIR CLEANER CLOGGING CAUTION LAMP
Air cleaner clogging caution lamp warns about clogging of the
air cleaner.
If the caution lamp lights up in yellow and action level “L01” is
displayed, stop the engine, then inspect and clean the air
cleaner.
See “METHOD FOR CHECKING, CLEANING AND REPLAC-
ING AIR CLEANER (4-14)”.
FAN CONTROL SYSTEM CAUTION LAMP
The fan control system caution lamp warns about abnormality
in the fan control system.
• When action level “L03” is displayed
The lamp lights up in red. At the same time, the centralized
warning lamp lights up and alarm buzzer sounds intermit-
tently.
Stop the operation, move the machine to a safe place,
stop the engine, then ask your Komatsu distributor for in-
spection and maintenance.
• When action level “L01” is displayed
The 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.
AIR CONDITIONER SYSTEM CAUTION LAMP
Air conditioner system caution lamp warns about abnormality in
air conditioner system.
If the lamp lights up in yellow and action level “L01” is dis-
played, always perform inspection and maintenance after the
operation is finished.
Ask your Komatsu distributor for the inspection and mainte-
nance as needed.
OPERATION EXPLANATION OF COMPONENTS
3-29