3-112 OM 25-3503 us – Edition 4.1 * * 2503_3503b340.fm
Operation
Regeneration push button
Push button A is located on the control element on the left.
Push button A is in the middle position and can be pressed either upward or downward,
but does not engage.
The automatic regeneration mode is preset if the engine is stopped for at least 30 sec-
onds.
Push button functions
1: disable/interrupt/re-enable regeneration
2: automatic regeneration mode (middle position)
3: re-activation of automatic regeneration
Indicator lights
Three indicator lights indicate the regeneration status.
B: Regeneration required
This indicator light illuminates if the contamination level reaches a specific value.
C: Increased exhaust-gas temperature
This indicator light illuminates during regeneration. It goes out once regeneration is over
and the system has cooled down.
D: Regeneration disabled/interrupted
This indicator light illuminates if the push button is pressed to position 1.
2
3