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PROBLEM POSSIBLE CAUSE SOLUTION/REASONS
Ammeter reads less than
selected charge rate when
charging a discharged
battery.
Extension cord too long or
wire gauge too small.
Weak cell or sulfated plate
in battery.
Battery is only partially
discharged.
Use shorter or heavier
gauge extension cord.
Sulfated battery will
eventually take a normal
charge if left connected. If
the battery will not take a
charge, have it tested by a
Sears technician.
Continue charging battery.
Charger makes a loud
buzz or hum.
Transformer laminations
vibrate (buzz).
Shorted diode (hum).
Continue charging. Buzz
is not abnormal.
Have charger tested by
Sears technician.
Ammeter reading stays
high.
Battery is severely dis-
charged.
Continue charging battery
for two more hours. If
problem continues, have
the battery checked by a
Sears or other qualied
service dealer.