COMPONENT MAINTENANCE MANUAL
BA27
24-01-01
T
h
is docum
ent
contains D
a
ta
control
led by th
e U.S. Export Admini
str
a
tion
Reg
u
lati
ons. Di
versio
n or use
contrary to U.S. law is
proh
ibit
ed
5.
U
Fault Isolation
Trouble shooting information is presented in Figure 8 as a guide in locating a cause of
malfunction and isolating the cause to a specific component.
TROUBLE PROBABLE
CAUSE REMEDY
Zero battery voltage
Broken or loose terminal
Repair per repair
connections.
instructions.
Loss of battery capacity
In service charging
Run electrical test.
malfunction.
Check aircraft charger.
Defective cell
Run electrical test
Low voltage output
In service charger
malfunction,
Run electrical test.
loose terminal connection.
Check aircraft charger.
Fault Isolation
Figure 8
Page 18
Aug 10/10