TM 55-1510-221-MTF
C5. Volt-loadmeter reads off scale in wrong direc-
tion.
a.
Generator field magnetized In wrong direc-
tion
C6. Volt-loadmeter does not indicate.
a.
Tripped circuit breaker.
b.
Open volt-loadmeter lead.
c.
Defective volt-loadmeter.
C7. No power indicated with battery master switch
ON.
a.
Battery discharged or defective.
b.
Open circuit between battery and master.
switch.
c.
Master switch defective.
d.
Defective relay.
e.
Keylock switch off.
C8. Power on with master switch in OFF position.
a.
Master switch defective.
b.
Relay contacts stuck.
C9. Apparent loss of battery capacity.
a.
Cells unbalanced.
b.
Electrolyte level too low.
c.
Charging rate too low in aircraft.
d.
Too little usage or shallow discharges.
C10. Complete failure of battery to operate.
a.
Loose or broken lead.
b.
Loose or disengaged terminals in battery.
c.
Battery not charged.
d.
Cell open internally.
C11. Below normal battery output.
3-7
