Komatsu H75051, Operation & Maintenance Manual

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“SCR Information” screen message (5): “1 Please inspect
and maintain SCR system.”
Engine power is derated.
Move the machine to the safe place and contact your Ko-
matsu Distributor.
If operation continues for 5 hour after “Warning” started
without taking any actions instructed by the Action Level
table, Inducement advances to “Continuous Warning”.
• Continuous Warning:
The audible alert sounds in “Intermittent alarm”.
The KDPF system caution lamp (1) lights up in red.
The DEF system caution lamp (2) lights up in yellow.
The action level “L03” lights up in red at action level dis-
play (3).
Press the menu switch to display the “SCR Information”
screen.
“SCR Information” screen message (5): “2 Without treat-
ment, engine power will be derated.”
Move the machine to the safe place and contact your Ko-
matsu Distributor.
The duration time of “Continuous Warning” is 5 hour. The
remaining time (Hours and Minutes) to “Low level Induce-
ment” is displayed in the column (6) of “SCR Information”
screen.
In “Low level Inducement”, engine power will be derated.
• Low level Inducement:
The audible alert sounds in “Intermittent alarm”.
The KDPF system caution lamp (1) lights up in red.
The DEF system caution lamp (2) lights up in red.
The action level “L03” lights up in red at action level dis-
play (3).
Press the menu switch to display the “SCR Information”
screen.
“SCR Information” screen message (5): “3 Engine power is
under deration.”
Due to the reduction of engine power, the machine normal
operation will be limited.
The duration time of “Low level Inducement” is 10 hour.
The remaining time (Minutes) to “Severe Inducement” is
displayed in the column (6) of “SCR Information” screen.
In “Severe Inducement”, engine power will be derated fur-
ther.
Move the machine to the safe place and contact your Ko-
matsu Distributor.
OPERATION EXPLANATION OF COMPONENTS
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