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3.
If the caution light does not go out ........ terminate flight preparation
(b) 'Low Voltage' caution during flight
1.
Circuit breakers ...................... check
2.
Electrical equipment................... OFF if not needed
3.
If the caution light does not go out ........ Follow procedure in 4B.3.4 -
ALTERNATOR FAILURE
(c) 'Low Voltage' caution during landing
-Follow (a) after landing.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 10
4B.3.2 ECU A FAILURE (ECU A)
(a)
'ECU A' caution on the ground -Terminate flight preparation.
(b)
'ECU A' caution during flight
CAUTION
In case of a failure in the electronic ECU (Engine Control Unit) 'A' the system automatically switches to ECU 'B'.
1. Land on nearest suitable airfield.
CAUTION
Be prepared for engine failure and emergency landing.
4B.3.3 ECU B FAILURE (ECU B)
(a)
'ECU B' caution on the ground -Terminate flight preparation.
(b)
'ECU B' caution during flight
1. Land on nearest suitable airfield.
CAUTION
Be prepared for engine failure and emergency landing.
Doc. No. 6.01.05-E Revision 1 03-Mar-2003 Page 4B - 11
4B.3.4 ALTERNATOR FAILURE (ALTERNATOR)
An alternator failure is indicated by an illuminated or blinking alternator caution light (ALTERNATOR) on the annunciator panel. The batteries are the last remaining source of electrical power for a minimum of 30 minutes.
1.
Circuit breakers ...................... check; if all are O.K., proceed with step 2
2.
ESSENTIAL BUS ..................... ON
3.
Electrical equipment................... switch OFF all equipment which is not needed
4.
Land on the nearest suitable airfield
WARNING
The ECU which is absolutely necessary for engine operation needs electrical power. It is recommended to switch off all electrical consumers and to land as soon as possible. Be prepared for an engine failure and an emergency landing.
% For a severe electrical failure a ECU-Backup-System is % installed.
% CAUTION % For cases in which the battery capacity is not sufficient to % reach a suitable airfield, an emergency battery is installed % in the IFR model, serving as an additional back-up system % for the attitude gyro (artificial horizon) and flood light. This % battery is switched on with the Emergency Switch, located % on the left side of the instrument panel.
%
Doc. No. 6.01.05-E Revision 3 26-May-2003 Page 4B - 12
4B.3.5 ENGINE FAILURE (ENGINE)
1.
Engine instrument CED 125............. check
2.
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