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14. TROUBLESHOOTING
PROBLEM
The charger
will not turn on
when properly
connected.
Charger
makes a loud
buzz or hum.
The charger
is making an
audible clicking
sound.
The battery is
connected and
the charger is
on, but is not
charging.
POSSIBLE CAUSE
AC outlet is dead.
Poor electrical connection.
Severely discharged
battery, but otherwise a
good battery.
Battery is defective.
Charger connections are
reversed.
Transformer laminations
vibrate.
Circuit breaker is cycling
Battery is defective.
Shorted battery cables or
clamps.
Charger clamps are not
making a good electrical
connection.
REASON/SOLUTION
Check for open fuse or circuit breaker
supplying AC outlet.
Check power cord and extension cord
for loose fitting plug.
The battery may not want to accept a
charge due to a run-down state. Allow
charging to continue until battery has a
chance to recover sufficiently to take a
charge. If more than 20 minutes, stop
charging and have the battery checked.
Have battery checked.
Unplug the charger and reverse
charger lead connections at battery.
No problem; this is a normal
condition.
The settings may be wrong. Check the
charger settings.
Check the battery.
Circuit breaker cycles when the
current draw is too high. Check for
shorted cables or ring terminals and
replace if necessary.
Check for poor electrical connections
at battery and car frame. Make sure
the connecting points are clean. Rock
the clamps back and forth to ensure
a better connection.
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