MTU 8 V 4000 Lx2 xx Operating Instructions Manual page 124

666 – AL IC92x Yellow
Yellow alarm.
Associated parameter 1.4520.993
Cause
An internal combined alarm in
the ignition system was
detected.
667 – AL FSeries Yellow
Yellow alarm.
Associated parameter 1.4530.993
Cause
An internal combined alarm in
the bypass flap was detected.
668 – AL TecJet Yellow
Yellow alarm.
Associated parameter 1.4540.993
Cause
An internal combined alarm in
the gas control valve was
detected.
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.
124 | Troubleshooting | MS150114/01E 2015-03
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.