MTU 12V4000L32F Operating Instructions Manual page 141

478 – AL Combined Alarm Yellow (System)
Yellow alarm.
Associated parameter 2.8006.001
Cause
Summary alarm YELLOW from
system.
479 – AL Combined Alarm Red (System)
Red alarm. Engine shutdown.
Associated parameter 2.8006.002
Cause
Summary alarm RED from system.
496 – SD P-Charge Mix A
Red alarm. Engine shutdown.
Associated parameter 1.8004.628
Cause
Mixture pressure sensor on A side
faulty, short circuit or wire break.
497 – SD P-Charge Mix B
Red alarm. Engine shutdown.
Associated parameter 1.8004.629
Cause
Mixture pressure sensor on B side
faulty, short circuit or wire break.
498 – SD P-Charge Mix Diff
Red alarm.
Associated parameter 1.8004.630
Cause
Mixture differential pressure
sensor on A or B side faulty, short
circuit or wire break.
Corrective action
u Summary alarm (for details, refer to the source alarm).
Corrective action
u Summary alarm (for details, refer to the source alarm).
Corrective action
u Check sensor and cabling (B79.21), replace as necessary
(→ Page 203) (→ Page 202). Error cleared after restarting the
engine.
Corrective action
u Check sensor and cabling (B79.22), replace as necessary
(→ Page 203) (→ Page 202). Error cleared after restarting the
engine.
Corrective action
u Check sensors and cabling (B79.21, B79.22), replace as necessary
(→ Page 203) (→ Page 202). Error cleared after restarting the
engine.
MS150104/03E 2017-09 | Troubleshooting | 141