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PROBLEM POSSIBLE CAUSE REASON/SOLUTION
No reading on the ammeter. Charger is not plugged in.
No power at the receptacle.
Clips are not making a good
connection to the battery.
Connections are reversed.
Battery is defective
(will not accept a charge).
2 amp charge rate is being
used.
Plug the charger into an AC
outlet.
Check for open fuse or circuit
breaker supplying AC outlet.
Check for poor connection to
battery and frame. Make sure
connection points are clean.
Rock clips back and forth for
a better connection.
Unplug the charger and
reverse the clips.
Have battery checked.
Ammeter may show no
activity at the 2A charge rate.
Ammeter reading stays high. Battery is severely
discharged.
Wrong battery voltage.
Continue charging battery for
two more hours. If problem
continues, have the battery
checked.
Verify you are trying to
charge a 12 Volt battery.
Ammeter reads less than
selected charge rate when
charging a discharged battery
Extension cord is too long or
wire gauge is too small.
Weak cell or sulfated plate in
battery.
Battery is only partially
discharged.
Use a shorter or heavier
gauge extension cord.
A sulfated battery will
eventually take a normal
charge if left connected. If the
battery will not take a charge,
have it checked.
Continue to charge the
battery.
The charger is making an
audible clicking sound.
Circuit breaker is cycling.
Battery is defective.
Shorted battery cables or clips.
Severely discharged battery,
but otherwise it is a good
battery.
Reverse connections at
battery.
The settings may be wrong.
Check the charger settings.
Have the battery checked.
Circuit breaker cycles when
current draw is too high.
Check for shorted cables or
clips 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.