C
HAPTER
22-10: GFC 700 A
UTOMATED
F
LIGHT
C
ONTROL
S
YSTEM
CIRRUS A
IRPLANE
M
AINTENANCE
M
ANUAL
T
ROUBLESHOOTING
MODELS SR22
AND
SR22T
12
Trouble - GSA 80 / GSM 86 Yaw
Servo - Serials w/ Three-Axis
Configuration
Probable Cause
Remedy
“YAW” (white text on red
background) annunciation is
displayed on PFD.
Yaw axis failure has occurred.
Check AUX – SYSTEM STATUS page
on MFD to verify yaw servo is online
(green check).
Verify yaw servo is receiving power.
Check yaw servo wiring and
connector.
Perform Operational Test - GFC 700
Autopilot.
Replace yaw servo.
23 Dec 2016
