operator commands the Acknowledge button.
CRANK CUTOFF
Activates at the configured Engine Run setpoint, typically
400 rpm.
Deactivates when the SDU senses that the engine has
stopped (<5 RPM).
BUZZER
Activates for any new shutdown or fault.
Deactivates when the operator command the Acknowledge
button.
FAULT
This is the Common Fault indication.
Activates for any new fault.
Deactivates when all faults are acknowledged and has
disappeared.
RUNNING
Activates at the configured Engine Run setpoint, typically
400 rpm.
Deactivates when the SDU senses that the engine has
stopped.
OVERSPEED SHUTDOWN
Activates for any overspeed shutdown.
Deactivates when engine is stopped (<5 RPM, and a
configurable delay), and overspeed is acknowledged.
LOAD REDUCTION
Activates for any load reduction.
Deactivates when load reduction is inactive.
OVERSPEED TEST MODE
Activates when SDU is in Overspeed Test mode.
SHUTDOWN OVERRIDE
Activates when SDU is in shutdown override mode.
SHUTDOWN IMMINENT
Activates when SDU is in shutdown imminent state.
SHUTDOWN UNTIL STOPPED
(FW 1.3)
Activates for any shutdown.
Deactivates when engine has stopped (RPM < 5, and a
configurable time).
FOLLOW SWITCH
(FW 1.3)
Activates when a switch is closed.
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