190-02246-11
GI 275 Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-19
Figure 4-15 GI 275 Alert Message Troubleshooting
Sheet 2 of 2
GI 275 Alert
Messages Cont’d
If fault persists,
contact Garmin.
LCD board system
fault
Maintenance
Log Message
LCD Board System
Error
Cause
Missing LCD
software region
LCD Board software
failure
Corrective
Action
Reload LCD
software
Expansion board:
Invalid config.
Maintenance
Log Message
Expansion board
configuration error
Cause
Incorrect expansion
board configuration
Corrective
Action
Verify expansion
board configuration
Internal comm. fault
Cause
Internal hardware
failure
Corrective
Action
Return GI 275 to
Garmin for service
Expansion board
system fault
Maintenance
Log Message
Expansion Board
System Error
Cause
Bad expansion
system data
Failed expansion
calibration CRC
Corrective
Action
Reload expansion
board software
Return GI 275 to
Garmin for service
Max temperature
exceeded
Maintenance
Log Message
Expansion Board
Temp
Cause
Expansion Board
has exceeded
temperature
threshold
Corrective
Action
Remove GI 275 from
extreme temperature
environment
Shut down GI 275
for at least 30 min
LRU replacement
error
Maintenance
Log Message
LRU replacement
error
Cause
Error between
GI 275 config
module and
installed GI 275
Corrective
Action
Verify accuracy of
configuration settings on
GI 275
Clear configuration and
reconfigure
Replace configuration
module
