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EXPLANATION OF COMPONENTS
REMARK
For more information about the Inducement strategy, and Inducement status concerning engine power deration,
see "HANDLE UREA SCR SYSTEM WARNING".
DEF SYSTEM CAUTION LAMP
DEF system caution lamp alerts when abnormality in the sys-
tem are detected.
Whenever the caution lamp lights up in yellow or in red, take
necessary actions by instructions.
Fault conditions that result in activation of the Inducement strat-
egy for engine derates to prompt to maintain or repair the emis-
sion control system.
Lighting in red
With Action level "L04", Inducement status is "Severe Induce-
ment". Engine power is under heavy deration.
With Action level "L03", Inducement status is "Low level Inducement". Engine power is under deration.
Lighting 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.
REMARK
For more information about the Inducement strategy, and Inducement status concerning engine power deration,
see "HANDLE UREA SCR SYSTEM WARNING".
DEF SYSTEM HIGH TEMPERATURE STOP CAUTION LAMP
DEF system Temperature stop caution lamp alerts when the
times of engine is shut down under the condition of high degree
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.
ENGINE SYSTEM CAUTION LAMP
If the operation is continued while the red caution lamp is lit, accumulation and combustion of the soot
in KDPF are accelerated, and consequently the temperature of KDPF and exhaust gas can increase
high. Stop the engine immediately.
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CAUTION
OPERATION
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