Embraer EMB145 Operation Manual page 1311

GROUND SERVICING
EICAS
MESSAGE
ATA
or
CONDITION
CAS
Message
31
displayed
on the PFD
Directional
Trim
Locked
(Rudder
trim switch
has to be
pressed 3
times
before the
surface
27
responds
and the
system
operates at
the fourth
try)
(Transitory
condition of
yaw trim
electrical
circuit)
Page
10
1-12-60
AIRPLANE
OPERATIONS
MANUAL
LOCATION
On the copilot's reversionary panel,
set the MFD selector to the EICAS
position. To check which the
discrepant message is, compare the
messages on the copilot's MFD with
the ones presented on the EICAS.
In a discrepant message on the
IC-600
EICAS:
 Open the IC-600 1 circuit
Pressurize the hydraulic system.
Do the operational check of the yaw
trim:
 Move the YAW TRIM switch to
Rudder
Trim
 Release the YAW TRIM switch, it
 Move the YAW TRIM switch to
Code
01
Copyright © by Embraer. Refer to cover page for details.
PROCEDURE
breaker, wait a few seconds, and
close it back. Wait for the IC
system initialization. Do the
comparison again.
the LEFT position.
On the EICAS display, the arrow
of the YAW TRIM indication
moves to the left.
NOTE: The system cycle is
limited in 3 seconds, after this
time you must to release the
switch and move it again to get
another cycle.
goes to neutral position by itself.
On the EICAS display, the arrow
of the YAW TRIM indication
remains at last position.
the RIGHT position.
On the EICAS display, the arrow
of the YAW TRIM indication goes
from LEFT to RIGHT position.
TEMPORARY REVISION 41.1