FADEC Flashcards
1
Q
Describe FADEC system
A
Comprised of two engine control units ECU A and B.
ECU receive information from a variety of sensors, and sense the load demanded by the power lovers.
2
Q
If ECU system fails
A
Will automatically switch to the second ECU
Manually switching should only be completed in an emergency
3
Q
ECU - alternator
A
Each unit is supplied with electrical power from a dedicated engine ECU busbar, which is supplied directly from the engine alternator
If alternator fails, ECU will be powered for approximately 30 minutes
If ECU fails and you can attempt to restart by holding the ECU test for two seconds
