Troubleshooting - Schumacher SC1364 Manual Del Usuario

13. TROUBLESHOOTING

PROBLEM
Charger will not turn
on when properly
connected.
Engine start does
not work.
The red LED is lit.
POSSIBLE CAUSE
AC outlet is dead.
Poor electrical connection.
Battery is defective.
Drawing more than 150 amps.
Failure to wait 3 minutes (180
seconds) between cranks.
The charger may be overheated.
Battery may be severely
discharged.
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.
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 to
below 12.2V in Maintain Mode.
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
Have the battery checked.
Crank time varies with the amount
of current drawn. If cranking
draws more than 150 amps, crank
time may be less than 5 seconds.
When the
blinks, wait 3 minutes of rest time
before the next crank.
The thermal protector may have
tripped and needs a little longer
to reset. Make sure the charger
vents are not blocked. Wait and
try again.
On a severely discharged battery,
use the
to 15 minutes, to help assist in
cranking.
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.
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.
• 8 •
SOLUTION
Engine Start LED
20A Boost rate for 10