Komatsu D61EX-24, Operation & Maintenance Manual, Page: 190 / 435

• Mild Inducement:
The audible alert sounds in short and sharp beeps.
1 gradation of the DEF level gauge light up in red.
The DEF level caution lamp (1) lights up in red.
Action Level “L03” is displayed in red (5).
Press F6 to display the “SCR Information” screen.
Inducement status (4): “3 Engine power is under deration.”
Add DEF to the DEF tank immediately.
• Severe Inducement:
The audible alert sounds in continuous beep.
No gradation of the DEF level gauge lights up .
The DEF level caution lamp (1) lights up in red.
The Action level “L04” is displayed in red (5).
Press F6 to display the “SCR Information” screen.
When all gradations of the DEF level gauge go off, DEF re-
filling amount is approximately 20 ℓ {5.28 U.S.Gal} to fill up
the DEF tank.
Inducement status (4): “4 Engine power is under heavy de-
ration.”
The remaining time (Hour and minute) to the Final Induce-
ment is displayed in the column (6) of the “SCR Informa-
tion” screen. If no DEF is added during the “Severe In-
ducement”, Inducement advances to “Final Inducement”
within 1 hour. At “Final Inducement”, engine speed is fixed
at low idle.
Engine power can be restored temporarily from power derate. This engine power restoration works only
when the Inducement status is “Severe Inducement” and relieves back temporarily to the power deration of
the “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 man-
ual. Once in “Severe Inducement” and it becomes necessary to restore engine power, use the engine pow-
er restoration function to move the machine to a safe place and add DEF.
OPERATION EXPLANATION OF COMPONENTS
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