Failure of both generator busses
(Helicopter equipped with emergency bus)
This failure is indicated by the BUS TIE caution message and after few
seconds, if the battery discharge control box is installed, by BATT DISCH
warning message on EDU 1.
PROCEDURE
GEN BUS (1 and 2) : ON, check.
If failure is confirmed, proceed as follows:
Pilot ICS panel switch : Select FAIL position
BATTery : OFF: This sheds the battery bus
causing the loss of DAU ch A
and EDU Primary. BATT OFF
caution and ELECTRICAL
warning messages will be indi-
cated.
SAS 1 or 2 switch : ON.
NOTE
In the event of switching off the battery the DAU ch A and EDU
Primary are inoperative.
All Busses #1 #2 loads are supplied by N° 1 and N° 2 generators.
Failure of generator 1 and generator bus #2
(Helicopter equipped with emergency bus)
This failure is indicated by #1 DC GEN, BUS TIE caution messages and, if the
helicopter is equipped with battery discharge control box, by BATT DISCH
warning message on EDU 1.
RFM A109E
3-48K R.A.I. Approved
Rev. 22
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