Crosstalk error
Maintenance
Log Message
Crosstalk Error
Cause
Interfacing LRU is not powered
Interfacing LRU not configured
properly
Interfacing LRU does not have
compatible software version
Incorrect wiring
Corrective
Action
Verify power to unit
Verify configuration settings
Verify proper software version
Verify wiring
190-02246-11
Rev. 1
External LRU
Alert Messages
<External LRU>
Service required
service required
GEA <1/2/3/4> did not
accept configuration
Cause
System ID set on GI 275
GEA configuration
is different from that on
settings were not
the external LRU
Corrective
Action
Ensure configured
System ID on GI 275
and external LRU are
the same
Figure 4-25 External LRU Alert Message Troubleshooting
Service soon
Maintenance
Maintenance
Log Message
Log Message
GTX 345 reports
config module
needs service
Cause
accepted
Corrective
Corrective
Action
Action
Verify GEA
Troubleshoot in
configuration
accordance with the
settings
GTX 3X5
maintenance
manual
Service soon
Maintenance
Log Message
System configuration module
has failed or is missing
Cause
Configuration module
not installed correctly
Configuration module
has failed
Corrective
Action
Verify configuration
module wiring
Replace
configuration
module
If fault persists,
contact Garmin.
GI 275 Part 23 AML STC Maintenance Manual
Page 4-33