Schumacher INC-700A User Manual
Page 21
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16
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TROUBLESHOOTING
15.
PROBLEM
POSSIBLE CAUSE
REASON/SOLUTION
No display and the LED’s
are not lit.
Charger is not plugged in.
No power at the receptacle.
Plug the charger into an AC
outlet.
Check for open fuse or
circuit breaker supplying AC
outlet.
Display reads 0.0 volts.
Clamps are not making
a good connection to the
battery.
Connections are reversed.
Battery is defective (will not
accept a charge).
Check for poor connection
to battery and frame. Make
sure connection points are
clean. Rock clamps back
and forth for a better con-
nection.
Unplug the charger and
reverse the clips.
Have battery checked.
AMPS reading on display
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.
The charger reached the
maximum voltage and is
reducing the current.
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.
No problem, this is a normal
condition. Continue to
charge the battery and see
BATTERY PERCENT AND
CHARGE TIME section,
CHARGE RATE subsection.
The battery is connected
and the charger is on, but
is not charging.
Battery is severely dis-
charged (automatic mode
only)
If your battery does not
have 1 volt, you must press
and hold the START/STOP
(
) button for five sec-
onds.
Charger has shut down
or will not turn on when
properly connected.
The charger has gotten too
hot and it has shut down.
The charger has thermal
protection, and it will shut
down if it gets too hot.
Unplug the AC cord and
let the charger cool down.
Make sure there is noth-
ing obstructing the air flow
to the fans, clean them as
shown in MAINTENANCE
INSTRUCTIONS.
The cooling fan is making
a rattling noise.
The fan has a buildup of
dirt and grime causing it to
be unbalanced.
Blow the dirt and grime off
the fan blades using com-
pressed air as described
in the MAINTENANCE
INSTRUCTIONS