Komatsu D61EX-24 Operation & Maintenance Manual page 193

EXPLANATION OF COMPONENTS
• Mild Inducement:
The audible alert sounds in short and sharp beeps.
The DEF system caution lamp (1) lights up in red.
Action level "L03" lights up in red at action level display (2)
and stays on.
Press F6 to display the "SCR Information" screen.
"SCR Information" screen message (4): "3 Engine power is
under deration."
Due to the engine power deration, capability of the ma-
chine will be limited.
Move the machine to the safe place and contact your Ko-
matsu Distributor.
The duration of "Mild Inducement" is 1 hour. The remaining
time (Minutes) to "Severe Inducement" is displayed in the
column (5) of the "SCR Information" screen.
In "Severe Inducement", engine power will be derated fur-
ther.
• Severe Inducement:
The audible alert sounds in continuous beep.
The DEF system caution lamp (1) lights up in red.
Action level "L04" lights up in red (2).
Press F6 to display the "SCR Information" screen.
"SCR Information" screen message (4): "4 Engine power is
under heavy deration."
Due to the further deration of engine power, capability the
machine will be limited further.
Move the machine to the safe place and contact your Ko-
matsu Distributor.
The duration of "Severe Inducement" is 1 hour. The re-
maining time (Minutes) to "Final Inducement" is displayed
in the column (5) of the "SCR Information" screen.
In "Final Inducement", engine speed will be fixed at low
idle.
Engine power can be restored temporarily from power derate. If Inducement advances to "Severe Induce-
ment" and it becomes necessary to restore engine power, use the engine power restoration function to
move the machine to a safe place and contact your Komatsu distributor. This engine power restoration
works only when the Inducement status is "Severe Inducement" and relieves back temporarily to the power
deration of "Mild Inducement". The operator can restore engine power through the machine monitor. For the
engine power restoration procedure, refer to the section of "Temporary Restoration from Inducement" in this
manual.
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OPERATION