MTU MS15027/02E Operating Instuctions page 142

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 on
NOx sensor A was detected.
672 – AL NOxB Yellow
Yellow alarm.
Associated parameter 1.4560.193
Cause
An internal combined alarm on
NOx sensor B was detected.
675 – AL Transmission Red
Red alarm.
Associated parameter 1.4510.991
Cause
An internal combined alarm in
the 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.
142 | Troubleshooting | MS15027/02E 2015-04
Corrective action
u Precise error name is transmitted to the genset controller via
CAN bus.
Corrective action
u Precise error name is transmitted to the genset controller via
CAN bus.
Corrective action
u Precise error name is transmitted to the genset controller via
CAN bus.
Corrective action
u Precise error name is transmitted to the genset controller via
CAN bus.
Corrective action
u Precise error name is transmitted to the genset controller via
CAN bus.
Corrective action
u Check data record.