Afcs Troubleshooting - Garmin G1000 Line Maintenance Manual

Uncontrolled if Printed
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Table 4-19. GDL 69A Troubleshooting Guide (Continued)
Problem
No audio output
SiriusXM audio
entertainment does
not mute when
audio suppression
interfaced inputs
(stall, gear) are
activated.

4.7.12 AFCS Troubleshooting

The Garmin AFCS is a digital Automatic Flight Control System (AFCS) which is inte-
grated into various components of the G1000 NXi System. This section covers upon key
items to note while troubleshooting the AFCS.
Should a problem be encountered during the operation of the AFCS, the pilot and main-
tenance personnel should first evaluate the overall status and condition of the G1000
NXi System. Monitor any messages, annunciations, or other abnormal behaviors in an
effort to pinpoint the fault.
4.7.12.1 AFCS Annunciations
The AFCS Annunciation field is located above the altimeter tape on the PFD as shown in
Figure 4-17.
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Probable Cause
• No audio output from
GDL 69A.
• Improper wiring.
• Improper wiring
Corrective Action
• Check wiring of audio
suppression input. Check that
wiring is going to correct active
high or active low input sense.
• Check the wiring from GDL 69A
to audio panel.
• Verify that mute is not on.
• Increase volume by pressing
Volume Up.
• If there is audio output only on
channel 1, verify that audio
SiriusXM service has been
activated. Refer to Section
4.7.11.2 for more details.
• Check wiring of audio
suppression inputs.
• Check alarm activation state of
warning.
• Verify that audio is not connected
to Line Output.
LMM for the Kodiak 100
190-02102-00 Rev.4