190-02246-11
GI 275 Part 23 AML STC Maintenance Manual
Rev. 1
Page 4-22
Figure 4-16 Battery Alert Message Troubleshooting
Sheet 3 of 4
Battery Alert
Messages Cont’d
If fault persists,
contact Garmin.
Battery operation
warning
Maintenance
Log Message
Battery
overtemperature
during discharge
protection fault
Cause
Battery internal temperature
exceeds 80°C during
discharge
Corrective
Action
Allow battery to cool, remove
exposure to extreme
temperature environment
Replace battery
Battery temperature sensor
has failed
Battery operation
warning
Maintenance
Log Message
Battery
undertemperature
during discharge
protection fault
Cause
Battery internal temperature
below -20°C during
discharge
Corrective
Action
Allow battery to warm up,
remove exposure to extreme
temperature environment
Replace battery
Battery temperature sensor
has failed
Battery warning:
Charge inhibited
Maintenance
Log Message
Battery
overtemperature
during charge
protection fault
Cause
Corrective
Action
Allow battery to cool, remove
exposure to extreme
temperature environment
Replace battery
Battery temperature sensor
has failed
Battery warning:
Charge inhibited
Maintenance
Log Message
Battery
undertemperature
during discharge
protection fault
Cause
Battery internal temperature
below -20°C during
discharge
Corrective
Action
Allow battery to warm up,
remove exposure to extreme
temperature environment
Replace battery
Battery temperature sensor
has failed
Battery internal temperature
exceeds 80°C during
discharge
Battery operation
warning
Maintenance
Log Message
Battery overload
during discharge
protection fault
Cause
Battery current overdraw
Partial short in battery circuitry
Partial short in GI 275 circuitry
External LRU excessive current
draw with GI 275 overcurrent
circuitry failure
Replace battery
Corrective
Action
Return GI 275 to
Garmin for service