Embraer EMB145 Operation Manual page 554

ABNORMAL
PROCEDURES
FD VERTICAL MODE FAILURE
EICAS CAUTION: VERTICAL MODE OFF
LIGHT: Master Caution
The Flight Director has been reverted to the basic pitch mode.
At crew discretion, re-select the Flight Director affected mode or select
another mode.
NOTE: - 5 seconds after pressing the Master Caution, the message
will be removed. If the lost mode or any other mode is not
selected again, the Flight Director will continue in the basic
mode.
- For some EICAS versions this message will be presented if
the crew turns the Flight Director off. In this case the
message must be disregarded.
AILERON OUT OF TRIM
EICAS CAUTION: AP AIL MISTRIM
LIGHT: Master Caution
CONDITION: Autopilot is engaged and aileron servo is holding force.
If the message is displayed more than 10 seconds, proceed:
Control Wheel................................................................HOLD FIRMLY
Quick Disconnect Button ...............................................PRESS
Roll Trim ........................................................................AS REQUIRED
Return the airplane to an in-trim condition, by trimming in the
direction as requested by the EICAS indication.
Autopilot.........................................................................AS REQUIRED
YAW DAMPER FAILURE
EICAS CAUTION: YAW DAMPER FAIL
LIGHT: Master Caution
Yaw Damper..................................................................DISENGAGE
Autopilot may be reengaged at pilot's discretion. If after reengagement
the failure persists, continue the flight with autopilot disengaged.
Page
1-03-60
AIRPLANE
OPERATIONS
MANUAL
Code
2 03
MARCH 30, 2001