Embraer EMB145, Operation Manual

Page: 1362 / 2662

AIRPLANE
OPERATIONS
MANUAL
GROUND SERVICING
REVISION 41
1-12-60
Page
29
Code
01
Copyright © by Embraer. Refer to cover page for details.
A
O
M
-1
4
5
/1
1
1
4
ATA
EICAS
MESSAGE
or
CONDITION
LOCATION PROCEDURE
34 DU 2 OVHT EICAS
Check if the DU 2 OVHT message
appears for approximately 4 seconds
on the EICAS and then disappears.
34 DU 3 OVHT EICAS
(1) On the pilot reversionary panel,
rotate the MFD switch to the
EICAS position.
The EICAS screen shows on the
MFD 1 display (DU 2).
(2) Check if the DU 3 OVHT
message appears for
approximately 4 seconds on the
EICAS (DU 2) and then
disappears.
If yes, on the pilot reversionary
panel, rotate the MFD switch to
the normal position.
The EICAS screen shows on the
EICAS display (DU 3).
34 DU 4 OVHT EICAS
Check if the DU 4 OVHT message
appears for approximately 4 seconds
on the EICAS and then disappears.
34 DU 5 OVHT EICAS
Check if the DU 5 OVHT message
appears for approximately 4 seconds
on the EICAS and then disappears.
34 HGS FAIL EICAS
Open the following circuit breakers
and, after approximately 5 seconds,
close them:
−
HCP (Location Tip: DC BUS
1/CAT III/HCP) CB H8
−
HGC (Location Tip: DC BUS
1/CAT III/HCG) CB H6
−
OHU (Location Tip: DC BUS
1/CAT III/OHU). CB H7
34
IRS 1 ATT
MODE
EICAS
(1) After the airplane is brought to a
stop at the ramp or hangar, power
off IRS 1.
(2) Reapply power and try to align
IRS 1 in a normal fashion.