MAINTAINING A BATTERY
The 28.71228 charges and maintains both 6
and 12 volt batteries, keeping them at full
charge. It is not recommended for
industrial applications.
NOTE: The maintain mode technology
allows you to safely charge and maintain a
A minimal amount of care can keep your
battery charger working properly for years.
• Clean the clamps each time you are
finished charging. Wipe off any battery fluid
that may have come in contact with the
clamps to prevent corrosion.
• Occasionally cleaning the case of the
charger with a soft cloth will keep the finish
shiny and help prevent corrosion.
PROBLEM
Battery clamps do not spark
when touched together.
All three LEDs come on for 2
seconds, then turn off.
The charger will not turn on
when properly connected.
I cannot select a 6V or 12V
setting.
MAINTENANCE AND CARE
TROUBLESHOOTING
POSSIBLE CAUSE
The charger is equipped
with an auto-start feature.
It will not supply current to
the battery clamps until a
battery is properly connected.
The clamps will not spark if
touched together.
The charger is plugged into
an AC outlet.
AC outlet is dead.
Poor electrical connection.
Battery is defective.
The charger is equipped
with Auto Voltage Detection,
which automatically detects
the voltage and charges the
battery.
• 7 •
healthy battery for extended periods of time.
However, problems with the battery, electrical
problems in the vehicle, improper
connections or other unanticipated conditions
could cause excessive current draws. As
such, occasionally monitoring your battery
and the charging process is required.
• Coil the input and output cords neatly when
storing the charger. This will help prevent
accidental damage to the cords and charger.
• Store the charger unplugged from the AC
power outlet in an upright position.
• Store inside, in a cool, dry place. Do not
store the clamps clipped together, on or
around metal, or clipped to the cables.
No problem; this is a normal
condition.
No problem; this is normal.
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and
extension cord for loose
fitting plug.
Have battery checked.
No problem; this is normal.
REASON/SOLUTION