Garmin GDL 69, Installation Manual

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Troubleshooting
GDL 69/69A Installation Manual Page 5-1
190-00355-02 Revision E
5 TROUBLESHOOTING
Table 5-1. Troubleshooting Guide
Problem Action
No communication with GDL
69/69A.
•
Check power wiring and pin out.
•
Verify correct communication port setting on display/control device.
No or low-quality XM signal
•
Ensure the XM antenna has an unobstructed view of satellite
constellation.
•
Check the antenna cable and connectors.
•
Verify correct antenna loss value in the configuration module.
•
Verify antenna ground plane is adequate.
No audio output (for GDL 69A)
•
Verify installed unit is GDL 69A, and not GDL 69 (with no audio
feature).
•
Verify wiring of audio suppression input. Verify wiring is going to
correct active high or active low input sense.
•
Check wiring from GDL 69A to audio panel.
•
Verify ‘Mute’ is not on.
•
Increase volume by pressing Volume Up.
•
If there is audio output only on Channel 1, verify that audio XM
service has been activated. Reference 190-00355-04.
Incorrect or no XM subscribed
services displayed
•
Verify subscription with XM Satellite Radio.
•
GDL 69/69A might not have been properly activated. Reference
190-00355-04.
XM audio entertainment does not
mute when audio suppression
interfaced inputs (stall, gear) are
activated. (GDL 69A only)
•
Verify wiring of audio suppression inputs.
•
Verify alarm activation state of warning active high and active low.