190-02246-11
GI 275 Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-29
Figure 4-21 Audio and Weather Alert Message Troubleshooting
Audio & Weather
Alert Messages
If fault persists,
contact Garmin
Cause
SiriusXM receiver
inoperative
Corrective
Action
GDL 69/69A has
lost communication
with GI 275 or is
reporting a failed
condition
Ensure all LRUs in
the system are
online
Verify configuration
settings
Maintenance
Log Message
Stormscope is not
configured or
operating properly
Cause
Stormscope is
reporting failed
Corrective
Action
Verify Stormscope
configuration
settings
Stormscope
inoperative
Maintenance
Log Message
Communication lost
with Stormscope
Cause
The GI 275 has lost
communication with
the Stormscope
Corrective
Action
Verify power to
Stormscope
Audio inoperative
Maintenance
Log Message
Audio device failed
Cause
Audio device failed
Corrective
Action
Maintenance
Log Message
Audio clip failed to
play
Cause
Audio clip failed to
play
Corrective
Action
Verify audio device
is online
Inspect audio
device connection
and wiring
Troubleshoot in
accordance with
audio device
maintenance
manual
Verify audio device
is online
Inspect audio
device connection
and wiring
Troubleshoot in
accordance with
audio device
maintenance
manual
Inspect Stormscope
wiring and
connections
Inspect Stormscope
wiring and
connections
Maintenance
Log Message
SiriusXM receiver
has failed
Inspect GDL 69/69A
wiring and
connectors
Service Soon
Maintenance
Log Message
Stormscope is
reporting invalid
heading
Cause
Stormscope’s
heading source is
missing
Corrective
Action
Verify control
source heading is
valid