Option 2: Check function while engine is running
1.
Check both emergency-air shutoff flaps and their wiring for mechanical damage.
2.
Make sure that the pointers (1) of both
emergency-air shutoff flaps are pointing to
OPEN / ON and the emergency-air shutoff
flaps are open.
3.
Activate function that tripped the emergen-
cy-air shutoff flaps (plant-dependent), e.g.
test function in the ECU software (test
menu at engine start).
4.
Check the following functions:
• Both emergency-air shutoff flaps close
immediately when tripped.
• The emergency-air shutoff flaps are
completely closed and the pointers (1)
point to CLOSED / OFF.
Result:
If one or both emergency-air shutoff flaps
is not fully closed or not closed at all, shut
down the engine and contact Service. Ob-
serve fault message (Error Log) if applica-
ble.
5.
Prior to engine start, open emergency-air
shutoff flaps manually so that the point-
ers (1) are at OPEN / ON.
6.
Reactivate the system electrically (depend-
ing on installation).
MS150096/03E 2015-04
| Task Description | 119
TIM-ID: 0000018646 - 006
