Embraer EMB145, Operation Manual

Page: 1331 / 2662

GROUND SERVICING
AIRPLANE
OPERATIONS
MANUAL
1-12-60
Page
30
Code
01 TEMPORARY REVISION 41.1
Copyright © by Embraer. Refer to cover page for details.
A
O
M-145/1
114
ATA
EICAS
MESSAGE
or
CONDITION
LOCATION PROCEDURE
34
IRS 2 ATT
MODE
EICAS
(1) After the airplane is brought to a
stop at the ramp or hangar, power
off IRS 2.
(2) Reapply power and try to align
IRS 2 in a normal fashion.
34 IRS 1 FAIL EICAS
(1) Set the MSU 1 rotary switch to
ALIGN.
(2) Enter the correct present position.
NOTE: The airplane must be
maintained stationary during the
IRS 1 alignment.
(3) Wait until the alignment is
complete.
In case of IRS 1 FAIL message
does not disappear:
(a) Set the MSU 1 rotary switch to
OFF.
(b) On the overhead electrical
panel, push the BACKUP
pushbutton (the stripped bar
illuminates).
(c) On the overhead circuit
breaker panel, open IRS 1 CB.
(d) On the overhead circuit
breaker panel, open the
following CBs:
For single FMS installed:
CDU, CMPTR, GPS.
For dual FMS installed:
CDU 1, CDU 2, FMC 1,
FMC 2, GPS 1, and GPS 2.
(e) Wait at least 3 seconds.
(f) On the overhead electrical
panel, push the BACKUP
pushbutton again (the stripped
bar extinguishes).
(continued)