Komatsu WA480-8 Operation & Maintenance Manual page 209

OPERATION
Perform the following procedure.
Press the menu switch on the standard screen to display the
"SCR Information" screen of the user menu.
After a lapse of 3 seconds to stop the machine, "SCR Informa-
tion" screen is displayed.
"SCR Information" screen displays the DEF level caution lamp
(1), the DEF level gauge (2), information on the Urea SCR Sys-
tem condition (3), and the current status of Inducement (4).
If Inducement starts, stop the machine in a safe place and add
DEF.
• Warning:
2 gradations of the DEF level gauge light up in the red
range.
The DEF level caution lamp (1) lights up in red.
No audible alert.
No Action level is displayed.
Press the menu switch to display the "SCR Information"
screen.
Inducement status (4): "1 DEF low level warning appears."
Add DEF to the DEF tank immediately.
• Continuous Warning:
The audible alert sounds in "Intermittent alarm".
2 gradations of the DEF level gauge light up in the red
range.
DEF level caution lamp (1) lights up in red.
No Action level is displayed.
Press the menu switch to display the "SCR Information"
screen.
EXPLANATION OF COMPONENTS
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