14 Error Handling
PHLOX - Ignition Control System 201
14.4.3 Overspeed
3004 ErrOverSpeed
Overspeed pick-up 1
- Engine speed as registered by pick-up 1 was/is exceeding overspeed.
- A combination between teeth number of pick-up 1 and maximum
speed/overspeed results in a measuring frequency higher than allowed.
Emergency shutdown
Check overspeed parameter (21 SpeedOver).
Check adjustment of set speed.
Check PID adjustment.
Check whether overspeeding was due to thrust operation.
Overspeed pick-up 2
- Engine speed as registered by pick-up 2 was/is exceeding overspeed.
- A combination between teeth number of pick-up 2 and maximum
speed/overspeed results in a measuring frequency higher than allowed.
Emergency shutdown
Check overspeed parameter (21 SpeedOver).
Check adjustment of set speed.
Check PID adjustment.
Check whether overspeed was due to thrust operation.
Overspeed camshaft index sensor
- Speed of camshaft index sensor was/is exceeding overspeed.
Emergency camshaft wheel: emergency shutdown
Camshaft measuring pin: error message only
Check overspeed parameter (21 SpeedOver).
Check adjustment of set speed.
Check PID adjustment.
Check whether overspeeding was due to thrust operation.
Table 29: Possible errors: Overspeed