474 – AL Wiring FO
Yellow alarm; warning
Cause
Corrective action
Wire break or short circuit at FO
channel.
u
Contact Service.
476 – AL Crash Rec. Init. Error
Yellow alarm; warning
Cause
Corrective action
Initialization error of crash
recorder.
u
Contact Service.
478 – AL Comb. Alarm Yel (Plant)
Yellow alarm; warning
Cause
Corrective action
Combined alarm initiated by
plant (yellow).
u
Observe any other fault messages.
479 – AL Comb. Alarm Red (Plant)
Yellow alarm; warning
Cause
Corrective action
Combined alarm initiated by
plant (red).
u
Observe any other fault messages.
480 – AL Ext. Engine Protection
Yellow alarm; warning
Cause
Corrective action
External engine protection
function active.
u
Contact Service.
514 – Write Error Flash
Yellow alarm; warning
Cause
Corrective action
Value was not accepted into
flash.
u
Contact Service.
536 – AL Wiring PWM_CM1
Yellow alarm; warning
Cause
Corrective action
Wire break or short circuit on
channel PWM_CM1.
u
Check wiring to connected device or check connected device
(actuator/sensor), replace as necessary.
88 | Troubleshooting | MS150118/01E 2015-05
TIM-ID: 0000060724 - 001