Troubleshooting; Table 5-1. Troubleshooting Guide - Garmin GDL 69/69A Installation Manual

5 TROUBLESHOOTING

Problem
No communication with GDL
69/69A.
No or low-quality XM signal
No audio output (for GDL 69A)
Incorrect or no XM subscribed
services displayed
XM audio entertainment does not
mute when audio suppression
interfaced inputs (stall, gear) are
activated. (GDL 69A only)
GDL 69/69A Installation Manual
190-00355-02

Table 5-1. Troubleshooting Guide

• Check power wiring and pin out.
• Verify correct communication port setting on display/control device.
• 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.
• 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.
• Verify subscription with XM Satellite Radio.
• GDL 69/69A might not have been properly activated. Reference
190-00355-04.
• Verify wiring of audio suppression inputs.
• Verify alarm activation state of warning active high and active low.
Troubleshooting
Action
Page 5-1
Revision E