
478 – AL Comb. Alarm Yel (Plant)
Yellow alarm.
Associated parameter 2.8006.001
Cause
Corrective action
Summary alarm YELLOW from
system.
u
Summary alarm (for details, refer to the source alarm).
479 – AL Comb. Alarm Red (Plant)
Red alarm. engine shutdown.
Associated parameter 2.8006.002
Cause
Corrective action
Summary alarm RED from system.
u
Summary alarm (for details, refer to the source alarm).
496 – SD P-Charge Mix A
Red alarm. engine shutdown.
Associated parameter 1.8004.628
Cause
Corrective action
Mixture pressure sensor on A side
faulty, short circuit or wire break.
u
Check sensor and cabling (B79.21), replace as necessary. Error
cleared after restarting the engine.
497 – SD P-Charge Mix B
Red alarm. engine shutdown.
Associated parameter 1.8004.629
Cause
Corrective action
Mixture pressure sensor on B side
faulty, short circuit or wire break.
u
Check sensor and cabling (B79.22), replace as necessary. Error
cleared after restarting the engine.
498 – SD P-Charge Mix Diff
Red alarm.
Associated parameter 1.8004.630
Cause
Corrective action
Mixture differential pressure
sensor on A or B side faulty, short
circuit or wire break.
u
Check sensors and cabling (B79.21, B79.22), replace as
necessary. Error cleared after restarting the engine.
499 – SD T-Charge Mix
Red alarm.
Associated parameter 1.8004.632
Cause
Corrective action
Mixture temperature sensor
faulty, short circuit or wire break.
u
Check sensor and cabling (B73), replace as necessary. Error
cleared after restarting the engine.
124 | Troubleshooting | MS150098/03E 2018-04
TIM-ID: 0000027858 - 002