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Schumacher PS-2100MA (Old Stye) Troubleshooting Guide
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PROBLEM
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POSSIBLE CAUSE
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SOLUTION
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No meter reading.
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Connections are reversed.
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With charger unplugged, reverse
clamps and reconnect. (Rock clamps back and forth to ensure clamps are
connected.)
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Poor
electrical connection.
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Clean clamps and battery posts
and reconnect. (Rock clamps back and forth to ensure clamps are connected.)
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AC
outlet is dead.
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Plug in a lamp or other
appliance to check for voltage.
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Battery
is defective (will not accept charge).
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Have battery checked.
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Charger
will not turn on (when properly connected to power) in automatic mode only.
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Battery recently charged as
result of driving and is fully charged.
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Battery does not need charging.
(Turning on headlights will lower battery voltage in a few seconds and
charger should then turn on.)
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Charger
will not turn OFF.
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Battery has problem and will not
take full charge, or it is a manual charger.
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Have battery checked.
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Meter
needle fluctuates back and forth from the middle to the left.
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Battery has reached Full Charge
and and is not able to maintain above 13V.
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Have battery checked.
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Meter needle pulses (fluctuates) every few seconds AFTER THREE
HOURS without slowing down.
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Two or more batteries connected
in parallel.
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Do not parallel charge.
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Battery
of 200 ampere hours or larger.
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Requires more time to charge:
continue charging.
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Battery
is connected to a device that draws a small current (such as an interior
light).
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Use larger device.
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Meter needle moves to extreme right, remains a short time, then
returns to zero, accompanied by a clicking sound.
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Battery is severely discharged
(but otherwise good).
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Allow charging to continue until
battery has recovered sufficiently to take a charge. (Circuit breaker will
continue to cycle and needle will swing side to side until battery has
recovered.)
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Battery
is defective (will not accept charge).
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Have battery checked.
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Charger
is cycling after circuit breaker overload.
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Wait until charger automatically
resets itself.
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Schumacher User Manual Link
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