MTU 12V4000L32F Operating Instructions Manual page 161

977 – AL CAN4 Error Passive
Yellow alarm.
Associated parameter 2.0500.695
Cause
CAN controller 4 has indicated a
warning.
1012 – AL MIC5 parameter download active
Yellow alarm.
Associated parameter 1.4520.966
Cause
Parameter download from the
ECU to the ignition system is
active.
1013 – HI Delta NOx (A-B)
Yellow alarm.
Associated parameter 2.3050.119
Cause
NOx values measured for banks A
and B are too far apart (limit value
1).
1014 – HIHI Delta NOx (A-B)
Red alarm.
Associated parameter 2.3050.121
Cause
NOx values measured for banks A
and B are too far apart (limit value
2).
1017 – HI Delta p5 for NOx
Yellow alarm.
Associated parameter 2.3050.123
Cause
NOx values measured for banks A
and B are too far away from the
assumed NOx value (limit value
1).
Corrective action
u None
Corrective action
u Wait until parameter downloading has been completed. Max. time
is approx. 2 min.
Corrective action
1. Check emissions (→ Page 47).
2. Check NOx sensors (→ Page 203).
3. Check ignition points. (→ Page 176)
Corrective action
1. Check emissions (→ Page 47).
2. Check NOx sensors (→ Page 203).
3. Check ignition points. (→ Page 176)
Corrective action
1. Check emissions (→ Page 47).
2. Check NOx sensors (→ Page 203).
3. Check ignition points. (→ Page 176)
MS150104/03E 2017-09 | Troubleshooting | 161