Cirrus Garmin GFC 700, Maintenance Manual

Page: 9 / 42

CIRRUS A
IRPLANE
M
AINTENANCE
M
ANUAL
C
HAPTER
22-10: GFC 700 A
UTOMATED
F
LIGHT
C
ONTROL
S
YSTEM
MODELS SR22
AND
SR22T T
ROUBLESHOOTING
9
Trouble - GMC 707 AFCS Mode
Controller Probable Cause Remedy
“GMC CNFG – GMC Config
error. Config service req’d.”
annunciation is displayed on PFD. The Pers Avionics system has
detected a GMC 707 configuration
mismatch. For GMC 707, perform
Adjustment/Test - Component
Software and Configuration Loading.
(Refer to 42-00)
Perform Operational Test - GFC 700
Autopilot.
(Refer to 22-10)
Replace GMC 707. (Refer to 22-10)
“GMC FAIL – GMC is inoperative.”
annunciation is displayed on PFD. The Pers Avionics system has
detected a failure in the GMC 707. Check GMC 707 wiring and
connector.
Perform Operational Test - GFC 700
Autopilot.
(Refer to 22-10)
Replace GMC 707. (Refer to 22-10)
“MANIFEST – GMC software
mismatch. Communication
halted.” annunciation is displayed on
PFD. The Pers Avionics system has
detected an incorrectly loaded
software version. Check software version on
AUX – SYSTEM STATUS page on MFD.
For GMC 707, perform
Adjustment/Test - Component
Software and Configuration Loading.
(Refer to 42-00)
Trouble - GTA 82 Pitch Trim
Adapter Probable Cause Remedy
“PTRM” (white text on red
background) annunciation is
displayed on PFD. Pitch trim axis failure has occurred. Check AUX – SYSTEM STATUS page
on MFD to verify pitch servo is online
(green check).
Verify pitch servo is receiving power.
Check pitch servo wiring and
connector.
Replace pitch trim adapter. (Refer to
22-10)
Replace pitch servo. (Refer to 22-10)
27 Dec 2017