MTU 20V4000L33F Operating Instructions Manual page 125

669 – AL ProActA Yellow
Yellow alarm.
Associated parameter 1.4550.093
Cause
An internal combined alarm in
throttle A was detected.
670 – AL ProActB Yellow
Yellow alarm.
Associated parameter 1.4550.193
Cause
An internal combined alarm in
throttle B was detected.
671 – AL NOxA Yellow
Yellow alarm.
Associated parameter 1.4560.093
Cause
An internal combined alarm at
NOx sensor A was detected.
672 – AL NOxB Yellow
Yellow alarm.
Associated parameter 1.4560.193
Cause
An internal combined alarm at
NOx sensor B was detected.
675 – AL GET Red
Red alarm.
Associated parameter 1.4510.991
Cause
An internal combined alarm in
knock control was detected.
676 – AL IC92x Red
Red alarm.
Associated parameter 1.4520.991
Cause
An internal combined alarm in
the ignition system was
detected.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
Corrective action
u An exact fault designation is transmitted via CAN bus to the
genset control system.
MS150108/02E 2015-03 | Troubleshooting | 125