Komatsu PW118MR-11 Operation & Maintenance Manual page 212

EXPLANATION OF COMPONENTS
Inducement status (4): "1 DEF low level warning appears"
Add DEF to the DEF tank immediately.
• Escalated Warning:
The continuous audible alarm sounds. "three beeps and a
pause".
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 F6 to display the "SCR Information" screen.
Inducement status (4): "2 Without treatment, engine power
will be derated."
Add DEF to the DEF tank immediately.
• Mild Inducement:
The audible alert sounds in short and sharp beeps.
1 gradation of the DEF level gauge light up in red.
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.
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OPERATION
RKA63340
RKA63350