Volt-loadmeter reads off scale in wrong direc-
a. Generator field magnetized in wrong direc-
b. Generator leads reversed.
Volt-loadmeter does not indicate.
a. Tripped circuit breaker.
b. Open volt-loadmeter lead.
No power indicated with battery master switch
a. Battery discharged or defective.
b. Open circuit between battery and master
c. Master switch defective.
d. Defective relay.
Power on with master switch in OFF position.
a. Master switch defective.
b. Relay contacts stuck.
Apparent loss or battery capacity.
a. Cells unbalanced.
b. Electrolyte level too low.
c. Charging rate too low in aircraft.
d. Too little usage or shallow discharges.
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.
Below normal battery output.
a. Battery switch left ON.