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609 – AL Wiring PWM_CM7
Red alarm.
Associated parameter 1.1041.927
Cause
Corrective action
Cable break or short circuit on
channel PWM_CM7.
u
Check cabling to the NOx sensors and to the air humidity
sensor.
615 – AL EIL Protection
Red alarm.
Associated parameter 2.0610.951
Cause
Corrective action
Response to faulty or
manipulated EIL.
u
Check EIL.
616 – AL EIL Error
Red alarm.
Associated parameter 1.0610.952
Cause
Corrective action
Faulty or manipulated EIL.
u
Check EIL.
617 – LO Current net calorific value
Yellow alarm.
Associated parameter 2.1210.006
Cause
Corrective action
Fuel calorific value has fallen
below the first limit value.
u
Check gas quality if feasible.
618 – LOLO Current net calorific value
Yellow alarm.
Associated parameter 2.1210.007
Cause
Corrective action
Fuel calorific value has
exceeded the second limit value.
u
Check gas quality if feasible.
619 – HI Current net calorific value
Yellow alarm.
Associated parameter 2.1210.008
Cause
Corrective action
Fuel calorific value has
exceeded the first limit value.
u
Check gas quality if feasible.
136 | Troubleshooting | MS15027/02E 2015-04
TIM-ID: 0000044567 - 003