Schumacher Electric DSR114 Owner's Manual page 11

PROBLEM
The jump starter won't power
my 12V device.
The battery in the jump starter
won't hold a charge.
The jump starter's alarm is on. Connections are reversed.
Charger
PROBLEM
The green Power LED does
not light when charger is
properly connected.
The red Bad Battery LED is lit. The battery is sulfated.
The red Bad Battery LED
is lit and the yellow/orange
Charging Status LED is
flashing rapidly.
POSSIBLE CAUSE
The 12V device is not turned on.
The jump starter's battery is not
charged.
The 12V device draws more than
15A or has a short circuit.
The battery is bad (will not accept a
charge).
REASON
AC outlet is dead.
Poor electrical connection.
Lack of progress is detected and
battery voltage is below 14.2V.
The battery's initial voltage is below
12.2V and the total input is less than
1.5 Ah.
The battery voltage drops below
12.2V during Maintain Mode.
The battery voltage is still below 10V
after 2 hours of charging.
(or)
In maintain mode, the output current
is more than 1.5A for 12 hours.
Desulfation was unsuccessful.
• 11 •
SOLUTION
Turn on the 12V device.
Check the battery charge status by
pressing the Display button on the
front of the unit. The display will show
the percentage of charge.
Disconnect the 12V device. The
internal breaker will automatically
reset after a minute or two. Try using
the 12V device again.
Replace the battery.
Disconnect the jump starter and
reverse the clamps.
SOLUTION
Check for open fuse or circuit breaker
supplying AC outlet.
Check power cord and extension cord
for a loose fitting plug.
The charger is in desulfation mode.
Continue charging for several hours.
If not successful, have the battery
checked.
The battery may be overheated. If so,
allow the battery to cool. The battery may
be too large or have a short circuit. Have
battery checked or replaced.
The battery capacity is too low, or the
battery is too old. Have it checked or
replaced.
The battery won't hold a charge. May
be caused by a drain on the battery or
the battery could be bad. Make sure
there are no loads on the battery. If
there are remove them. If there are
none, have the battery checked or
replaced.
The battery may be defective. Make
sure there are no loads on the battery.
If there are, remove them. If there are
none, have the battery checked or
replaced.
The battery may be defective. Have
battery checked or replaced.