MTU 16V4000Lx2x Operating Instructions Manual page 82

1.4520.245 – Open Primary, Channel 1
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.246 – Open Primary, Channel 2
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.247 – Open Primary, Channel 3
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.248 – Open Primary, Channel 4
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.249 – Open Primary, Channel 5
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.250 – Open Primary, Channel 6
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
1.4520.251 – Open Primary, Channel 7
Yellow alarm. Initiated by IC922.
Cause
Ignition energy was not
discharged.
82 | Troubleshooting | MS150121/00E 2015-07
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.
Corrective action
1. Check cabling to ignition coil.
2. Check ignition coils.