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PROBLEM POSSIBLE CAUSE REASON/SOLUTION
The charger is
making an audible
clicking sound.
Battery is defective.
Shorted battery
cables or ring
terminals.
Severely discharged
battery.
Reverse connections
at battery.
Have the battery
checked.
Circuit breaker cycles
when current draw is
too high. Check for
shorted cables or ring
terminals and replace
if necessary.
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
sufciently to take a
charge. If more than
20 minutes, stop
charging and have
the battery checked.
Shut the charger off
and correct the lead
connections.
Charger makes a
loud buzz or hum.
Transformer
laminations vibrate
(buzz).
Shorted Diode
Assembly or Output
Rectier Assembly
(hum).
No problem, this is a
normal condition.
Have charger
checked by a qualied
technician.