Garmin GI 275 Maintenance Manual page 60

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