MTU 12 V 4000 Lx4 Operating Instructions Manual page 141

677 – AL FSeries Red
Red alarm.
Associated parameter 1.4530.991
Cause
An internal combined alarm in
the bypass valve was detected.
678 – AL TecJet Red
Red alarm.
Associated parameter 1.4540.991
Cause
An internal combined alarm in
the gas control valve was
detected.
679 – AL ProActA Red
Red alarm.
Associated parameter 1.4550.091
Cause
An internal combined alarm in
throttle A was detected.
680 – AL ProActB Red
Red alarm.
Associated parameter 1.4550.191
Cause
An internal combined alarm in
throttle B was detected.
681 – AL NOxA Red
Red alarm.
Associated parameter 1.4560.091
Cause
An internal combined alarm on
NOx sensor A was detected.
682 – AL NOxB Red
Red alarm.
Associated parameter 1.4560.191
Cause
An internal combined alarm on
NOx sensor B was detected.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
Corrective action
u Precise error name is sent to the genset control via CAN bus.
MS15027/00E 2013-10 | Troubleshooting | 141