Sears 28.71234 Battery Charger User Manual


 
18
TROUBLESHOOTING18.
PROBLEM POSSIBLE CAUSE SOLUTION/REASONS
No reading on the am-
meter.
Clamps are not making a
good connection.
2-amp charge rate is be-
ing used.
Check for poor connec-
tions to battery and frame.
Make sure connecting
points are clean.
Ammeter may show no
activity at the 2-amp
charge rate.
Short start cycle when
cranking engine.
Drawing more than 250
amps for a period of 3
seconds or less.
Failure to wait for 4
minutes (240 seconds)
between cranks.
Crank time varies with the
amount of current drawn.
If cranking draws more
than 250 amps, crank
time may be less than 3
seconds.
Wait 4 minutes before
next crank.
METER reading stays
high.
Battery severely dis-
charged.
Wrong battery voltage.
Continue charging battery
for two more hours. If
problem continues, call
Sears Service Center.
Continue charging battery.
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.
If the above solutions do not eliminate the problem
call toll-free from anywhere in the U.S.A.
1-800-SEARS-64
(1-800-732-7764)
7 AM to 4:30 PM Central Time Monday through Friday