Troubleshooting - Schumacher 101-7 Manual Del Usuario

13. TROUBLESHOOTING

PROBLEM
Charger will not turn on
when properly connected.
Engine start does
not work.
The red Clamps
Reversed/Bad Battery
LED is lit.
POSSIBLE CAUSE
AC outlet is dead.
Poor electrical connection.
Drawing more than the Engine
Start rate.
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.
Crank time varies with the amount of current
drawn. If cranking draws more than the
Engine Start rate, crank time may be less
than 5 seconds.
When the Engine Start LED 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
Boost rate for 10 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.
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SOLUTION