Komatsu PW118MR-11 Operation & Maintenance Manual page 99

OPERATION
Lighting in yellow
With Action level "L01", Inducement status is " Warning" or "Escalated Warning".
When "Escalated Warning", If no maintenance, advancing to the next Inducement status. Engine power will be
derated.
DEF SYSTEM HIGH TEMPERATURE STOP CAUTION LAMP
DEF system high temperature stop caution lamp alerts when
the times of engine is shut down under the condition of high de-
gree temperature of DEF system exceeds the defined number
of times.
Whenever the caution lamp lights up in yellow, it is necessary
to ask your Komatsu distributor to go off this caution lamp.
When stopping the engine, stop it after running it at low idle for
approximately 5 minutes. For details, see "METHOD FOR
STOPPING ENGINE (3-187)".
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 "L03/L04" appears on screen
The caution lamp comes on red and the alarm buzzer operates
continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for the inspection and maintenance.
When action level "L01 " is displayed
The caution lamp comes on in yellow.
In some cases, some of the above functions may be restricted.
Nevertheless, this will have no effect on the operation.
Always perform the inspection and maintenance operations when the operation is completed.
ENGINE SUDDEN STOP BY AUTO IDLE STOP CAUTION LAMP
The auto idle stop sudden stop caution lamp warns about the
abnormality when the engine is stopped abruptly by the auto
idle stop function for more than the specific times.
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.
The engine durability may be lower 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.
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CAUTION
WENAM00130
EXPLANATION OF COMPONENTS
3-27