MTU 12 V 4000 Lx4 Operating Instructions Manual page 143

694 – SD T-Gas
Yellow alarm.
Associated parameter 1.8004.123
Cause
Gas temperature sensor
defective, short circuit or wire
break.
719 – AL T-Gas L1
Yellow alarm.
Associated parameter 2.8006.034
Cause
Limit value 1 exceeded.
720 – AL T-Gas L2
Yellow alarm.
Associated parameter 2.8006.035
Cause
Limit value 2 exceeded.
842 – AL FuelThrottlePosition L1
Yellow alarm.
Associated parameter 2.8006.038
Cause
Tecjet throttle position has
exceeded limit value 1.
848 – AL Rel. air humidity L1
Yellow alarm.
Associated parameter 2.8006.039
Cause
Calculated air humidity has
exceeded limit value 1.
891 – AL Purging active
Yellow alarm.
Associated parameter 2.1090.048
Cause
Engine was stopped with
emergency stop or did not finish
starting successfully on several
occasions.
Corrective action
1. Not available in all engine versions (optional).
2. Check sensor and cabling (B38), replace as necessary.
Corrective action
u Check gas supply.
Corrective action
u Check gas supply.
Corrective action
u Check gas supply.
Corrective action
u Check air humidity.
Corrective action
u None
MS15027/00E 2013-10 | Troubleshooting | 143