EDU message Fault condition Refer to para.
BUS TIE, INV 2, SAS1
OFF, SAS 2 OFF cau-
tion messages and
ELECTRICAL and
BATT DISCH warnings
(if battery discharge
control box is installed).
Failure of both gen-
erators and both gen-
erators busses.
FAILURE OF BOTH
GENERATORS AND
BOTH GENERATORS
BUSSES
NOTE
The BATT DISCH warning is only applicable to helicop-
ter equipped with the battery discharge control box.
INV 1 or 2 caution Failure of an inverter FAILURE OF AN IN-
VERTER
SAS1 (2) OFF - VG1
(2) cautions
Failure of an a.c. bus
system N° 1 (N° 2)
FAILURE OF AN A.C.
BUS SYSTEM (115V
26V)
Failure of a generator
(Helicopter equipped with emergency bus)
This failure is indicated by #1 (#2) DC GEN caution message on EDU 1.
PROCEDURE
GEN 1 (2) : Reset, then ON. If generator
does not remain ON, set switch
to OFF. Power is supplied to all
loads by the remaining genera-
tor.
GEN BUS 1 (2) : ON, check.
RFM A109E
3-48H R.A.I. Approved
Rev. 16
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