Embraer EMB145 Operation Manual page 1331

GROUND SERVICING
EICAS
MESSAGE
ATA
or
CONDITION
IRS 2 ATT
34
MODE
34 IRS 1 FAIL
Page
30
1-12-60
AIRPLANE
OPERATIONS
MANUAL
LOCATION
(1) After the airplane is brought to a
EICAS
(2) Reapply power and try to align
(1) Set the MSU 1 rotary switch to
(2) Enter the correct present position.
(3) Wait until the alignment is
EICAS
(continued)
Code
01
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PROCEDURE
stop at the ramp or hangar, power
off IRS 2.
IRS 2 in a normal fashion.
ALIGN.
NOTE: The airplane must be
maintained stationary during the
IRS 1 alignment.
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).
TEMPORARY REVISION 41.1