Schumacher SP1 Battery Charger User Manual


 
•15•
PROBLEM POSSIBLE CAUSE REASON/SOLUTION
Charger will not turn
on when properly
connected.
AC outlet is dead.
Poor electrical
connection.
Connections are
reversed.
Check for open fuse
or circuit breaker
supplying AC outlet.
Check power cord
and extension cord for
loosettingplug.
Unplug the charger
and reverse the clips.
Charger will not
turn on when
properly connected
(continued).
Battery voltage is too
low.
Battery is defective.
This charger has
an automatic start
feature. If the battery
voltage is under 0.2
volts, the charger will
not detect it and will
not start the charging
process. Have the
battery checked/
replaced.
Have battery checked
BEFORE RETURNING FOR REPAIRS17.
When a charging problem arises, make certain that the battery 17.1
is capable of accepting a normal charge. Double check all
connections, the AC outlet for a full 120-volts, the charger clips for
correct polarity and the quality of the connections from the cables
to the clips and from the clips to the battery system. The clips
must be clean.
When a battery is very cold, partially charged or sulfated, it 17.2
will not draw the full rated amperes from the charger. It is both
dangerous and damaging to a battery to force higher amperage
into it than it can effectively use in recharging.