MTU MS15027/02E Operating Instuctions page 136

609 – AL Wiring PWM_CM7
Red alarm.
Associated parameter 1.1041.927
Cause
Cable break or short circuit on
channel PWM_CM7.
615 – AL EIL Protection
Red alarm.
Associated parameter 2.0610.951
Cause
Response to faulty or
manipulated EIL.
616 – AL EIL Error
Red alarm.
Associated parameter 1.0610.952
Cause
Faulty or manipulated EIL.
617 – LO Current net calorific value
Yellow alarm.
Associated parameter 2.1210.006
Cause
Fuel calorific value has fallen
below the first limit value.
618 – LOLO Current net calorific value
Yellow alarm.
Associated parameter 2.1210.007
Cause
Fuel calorific value has
exceeded the second limit value.
619 – HI Current net calorific value
Yellow alarm.
Associated parameter 2.1210.008
Cause
Fuel calorific value has
exceeded the first limit value.
136 | Troubleshooting | MS15027/02E 2015-04
Corrective action
u Check cabling to the NOx sensors and to the air humidity
sensor.
Corrective action
u Check EIL.
Corrective action
u Check EIL.
Corrective action
u Check gas quality if feasible.
Corrective action
u Check gas quality if feasible.
Corrective action
u Check gas quality if feasible.