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Page 5-92 Cirrus Perspectiveโข Line Maintenance Manual
Rev. E 190-00920-00
5.16.2๎๎๎ GFC๎700๎PreโFlight๎Test๎and๎Troubleshooting๎
This๎section๎helps๎the๎technician๎determine๎why๎the๎GFC๎700๎PreโFlight๎Test๎(PFT)๎indicated๎by๎
the๎red๎PFT๎annunciation๎has๎failed.๎The๎PFT๎is๎performed๎by๎both๎GIAโs๎at๎system๎startup,๎and๎
needs๎to๎pass๎on๎both๎GIAโs๎before๎the๎autopilot๎can๎be๎engaged.๎
The๎PFT๎is๎only๎started๎if๎the๎AHRS๎has๎aligned,๎the๎GIAโs๎and๎servos๎are๎configured,๎and๎the๎
certification๎gains๎are๎valid.๎๎If๎the๎PFT๎does๎not๎complete๎after๎one๎minute๎after๎initialization,๎it๎
will๎fail.๎๎
After๎the๎system๎PFT๎has๎passed,๎it๎will๎be๎performed๎again๎if๎a๎servo๎resets,๎if๎the๎autopilot๎
servo๎breaker๎is๎reset,๎or๎if๎the๎crossโside๎GIA๎restarts๎it.๎
The๎PFT๎failure๎fault๎is๎logged๎in๎the๎GIA๎Maintenance๎Log๎and๎not๎in๎the๎Servo๎Maintenance๎
Logs๎unless๎the๎GIA๎log๎fault๎identifies๎a๎servo๎problem.๎
NOTE๎
Thoroughly๎ understanding๎ the๎ operation๎ of๎ the๎ system๎ in๎
configuration๎ mode๎ before๎ starting๎ this๎ procedure.๎๎The๎ GFC๎
Status๎Page๎may๎ be๎used๎to๎check๎ the๎status๎of๎the๎servos๎as๎an๎
aid๎in๎troubleshooting.๎
To๎access๎the๎GIA๎and๎GSA/GTA๎Maintenance๎Logs๎
1. Start๎the๎system๎in๎configuration๎mode.๎
2. Use๎the๎FMS๎knob๎on๎the๎PFD๎to๎display๎the๎Diagnostics๎Terminal๎Page๎in๎the๎system๎
group.๎๎This๎page๎allows๎the๎technician๎to๎view๎maintenance๎logs๎associated๎with๎the๎
GFC๎700.๎
3. Choose๎โGIA๎1โ๎or๎โGIA๎2โ๎in๎the๎LRU๎window.๎
4. In๎the๎SERVO๎window,๎choose๎โNONEโ๎to๎view๎the๎GIA๎Maintenance๎Log,๎or๎choose๎a๎
servo๎to๎view๎their๎logs.๎
5. Using๎the๎FMS๎knob,๎choose๎โVIEW๎MAINTENANCE๎LOGโ๎in๎the๎COMMAND๎window.๎
6. Press๎the๎ENT๎key.๎
7. When๎the๎Maintenance๎Log๎data๎starts๎to๎display๎in๎the๎OUTPUT๎window,๎you๎may๎see๎
"More...press๎any๎key๎to๎continue..."๎at๎the๎bottom๎of๎the๎OUTPUT๎window.๎๎This๎
informs๎you๎there๎is๎more๎data๎to๎display๎and๎the๎system๎has๎paused๎allowing๎you๎to๎
view๎the๎data๎before๎continuing.๎๎To๎see๎more๎of๎the๎data,๎reselect๎the๎"VIEW๎
MAINTENANCE๎LOG"๎in๎the๎COMMAND๎window๎and๎press๎the๎ENT๎key.๎๎The๎"...press๎
any๎key๎to๎continue..."๎function๎is๎not๎active๎at๎this๎time.๎๎
8. Scroll๎through๎the๎OUTPUT๎list๎by๎pressing๎the๎OUTPUT๎softkey.๎