Schumacher SE-4225 - Manual (Page 16)

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TROUBLESHOOTING 16.
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 that you are using a
12-volt, lead-acid 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.