Komatsu D37EX-24 Operation & Maintenance Manual page 80

EXPLANATION OF COMPONENTS OPERATION
When lightning in red
With Action level "L04", Inducement status is "Severe Inducement". Engine power is under heavy deration.
With Action level "L03", Inducement status is "Low level Inducement". Engine power is under deration.
When lightning in yellow
With Action level "L01", Inducement status is " Warning" or "Continuous Warning".
When "Continuous 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.
PARKING BRAKE SYSTEM CAUTION LAMP
The parking brake system caution lamp warns about abnormal-
ity in the parking brake 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 work, move the machine to a safe place, and 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 SYSTEM CAUTION LAMP
The engine system caution lamp warns about defect in the en-
gine system.
When action level "L04" appears on screen
The caution lamp comes on in red and the alarm buzzer oper-
ates continuously.
Stop the machine immediately and ask your Komatsu distribu-
tor for inspection and maintenance.
When action level "L03" appears on screen.
The caution lamp comes on in red and the alarm buzzer oper-
ates intermittently.
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