Abnormal Operating
Procedures
DA 42 AFM
Page 4B - 12 Rev. 8 15-Dec-2017 Doc. No. 7.01.05-E
4B.4.2 L/R ECU A FAIL
L/R ECU A FAIL
* Left / Right engine ECU A has failed
or
* is being tested during FADEC test procedure before
take-off check.
(a) 'ECU A' Caution on the Ground
- Terminate flight preparation.
(b) 'ECU A' Caution During Flight
NOTE
In case of a failure in the electronic ECU (Engine Control
Unit) 'A' the system automatically switches to ECU 'B'.
1. Press the ECU TEST button for more than 2 seconds to reset the caution
message.
If the ECU A caution message reappears, or cannot be reset:
2. Land on the nearest suitable airfield.
3. The engine must be serviced after landing.
If the ECU A caution message can be reset:
2. Continue flight.
3. The engine must be serviced after landing.
END OF CHECKLIST