Garmin GI 275 Maintenance Manual page 59

If error self clears, perform
battery rundown test, then
fully charge battery, ensure
190-02246-11
Rev. 1
Battery operation Battery operation
warning warning
Maintenance Maintenance
Log Message Log Message
Battery overcurrent Battery overcurrent
during charge during discharge
protection fault protection fault
Cause Cause
Battery circuitry Battery short circuit
failure failure
GI 275 charging GI 275 charging
circuitry failure circuitry failure
Corrective Corrective
Action Action
If error self clears, perform
battery rundown test, then
fully charge battery, ensure
alert does not reoccur alert does not reoccur
Replace battery Replace battery
Return GI 275 to Return GI 275 to
Garmin for service Garmin for service
Figure 4-16 Battery Alert Message Troubleshooting
Battery Alert
Messages Cont'd
Battery warning:
Charge inhibited
Maintenance
Log Message
Battery cell
overvoltage
protection fault
Cause
Battery circuitry
failure
GI 275 charging
circuitry failure
Corrective
Action
If error self clears, perform
battery rundown test, then
fully charge battery, ensure
alert does not reoccur
Replace battery
Return GI 275 to
Garmin for service
Sheet 2 of 4
Battery warning:
Charge inhibited
Maintenance
Log Message
Battery cell
undervoltage
protection fault
Cause
Battery charge was
low and left to
discharge further
Corrective
Action
Ensure battery warmed to
room temperature
environment, attempt
charging
Replace battery
If fault persists,
contact Garmin.
GI 275 Part 23 AML STC Maintenance Manual
Page 4-21