Komatsu D61EX-24 Operation & Maintenance Manual page 192

OPERATION
"SCR Information" screen displays remaining time to the next
Inducement status in the column (5), and information on the
Urea SCR System condition (3), and the current status of In-
ducement (4).
• Warning:
No audible alert.
The DEF system caution lamp (1) lights up in yellow.
Note: Action Level "L01" once shows up in yellow on the
machine monitor (2) for two seconds and goes out.
Press F6 to display the "SCR Information" screen.
"SCR Information" screen message (4): "1 Please inspect
and maintain SCR system."
Move the machine to the safe place and contact your Ko-
matsu Distributor.
If operation continues for 1 hour after "Warning" started
without taking any actions instructed by the Action Level
table, Inducement advances to "Escalated Warning".
• Escalated Warning:
The audible alert sounds in repetition of "three beeps and
a pause".
The DEF system caution lamp (1) lights up in yellow.
If operation continues for 1 hour after "Warning" started
without taking any actions instructed by the Action Level
table, Inducement advances to "Escalated Warning".
Press F6 to display the "SCR Information" screen.
"SCR Information" screen message (4): "2 Without treat-
ment, engine power will be derated."
Move the machine to the safe place and contact your Ko-
matsu Distributor.
The duration of "Escalated Warning" is 1 hour. The remain-
ing time (Minutes) to "Mild Inducement" is displayed in the
column (5) of the "SCR Information" screen.
In "Mild Inducement", engine performance will be derated.
EXPLANATION OF COMPONENTS
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