DA40 TDI
ABNORMAL PROCEDURES
15.04.2017
Diamond Flight Training
Page 8
Edition # 17.1
Does not replace the Airplane Flight Manual
ECU A OR B
ON GROUND
¾
Discontinue operation, terminate flight preparation
ECU A
DURING FLIGHT
Remark: in case of ECU A fail the system automatically switches to ECU B
¾
Press ECU TEST button for more than 2 seconds
If ECU A caution message re-appears or cannot be reset:
⇒
Land ASAP
If ECU A caution message can be reset:
⇒
Continue flight. Engine must be serviced after LDG
ECU B
DURING FLIGHT
¾
Press ECU TEST button for more than 2 seconds
If ECU B caution message re-appears or cannot be reset:
⇒
Land ASAP
If EDU B caution message can be reset:
⇒
Continue flight. Engine must be serviced after LDG
LOW VOLTS
BUS VOLTAGE TOO LOW
Remark: possible reasons are
- malfunction of electrical supply
- RPM too low
¾
Check circuit breakers
On ground
⇒
Increase RPM
If light still ON:
⇒
Terminate flight preparation
In flight
⇒
Switch off unnecessary electrical equipment
If light still ON:
⇒
Apply “ALTERNATOR”-caution procedure
ALTERNATOR
ALTERNATOR FAILURE
¾
Check circuit breakers
If all CBs OK:
⇒
ESSENTIAL BUS: ON
¾
Switch off unnecessary electrical equipment
¾
Land ASAP
¾
Be prepared for engine fail; be prepared for emergency landing
