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PROBLEM
The Booster has no power.
The battery in the booster won't
hold a charge.
Charger
PROBLEM
The POWER
does not light when
charger is properly
connected.
The battery is
correctly connected,
but the CHARGING
LED did not light
immediately.
The battery is
properly connected,
but the CHARGING
LED never lit.
The
LED is lit and
the CHARGING
LED is flashing.
The BAD BATTERY
LED is lit.
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The booster's battery is not
charged.
The internal fuse has blown.
The battery is bad (will not
accept a charge).
POSSIBLE CAUSE
AC outlet is dead.
LED
Poor electrical connection.
If the START/STOP button is
not pressed, charging should
begin in ten minutes.
The battery voltage is low.
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.
The battery is sulfated.
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.
REASON
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for a loose fitting plug.
No problem; this is normal.
Press the START/STOP button to
start charging.
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 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.
Check out the automotive tools we offer.
SOLUTION
Check the battery charge
status by pressing the
Voltmeter button. Recharge the
battery.
Replace the fuse.
Replace the battery.
SOLUTION
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