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Schumacher 520A-PE, 612A-PE & 5216A-PE Troubleshooting Guide
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The battery charger is designed to work automatically. However,
if a problem does occur, check the following:
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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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Charger is not plugged in.
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Plug the charger in.
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Connections
are reversed.
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With charger unplugged, reverse
clips and reconnect (rock back and forth to bite in).
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Poor
electrical connection
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Clean clips and battery poles
and reconnect (roll back and forth to bite in).
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AC
outlet is dead.
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Plug
in a known working lamp 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).
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battery recently used
in vehicle and is fully charged.
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Battery does not need charging.
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(If
battery is in vehicle turning on headlights will lower battery voltage in a
few seconds and charger should turn on.)
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Battery
has less than 0.7 volts set to manual and retry
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Charger
will not turn OFF.
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Battery has problem and will not
take full charge.
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Have battery checked.
(if in MANUAL,
switch to AUTOMATIC)
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Ammeter 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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Requires more time to charge:
continue charging.
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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 application that draws a small current (such as an auto dome
light).
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Requires more time to charge:
continue charging.
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Charging current is less than full output rating of charger.
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Battery is partially charged.
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Continue charging.
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Battery
is defective (battery plates are crusted) and will not accept a full charge.
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Have checked and replace battery.
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AC power
supply is low
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Plug charger into another
grounded AC outlet.
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Ammeter needle moves to extreme right, remains a short time,
then returns to zero, accompanied by a clicking sound.
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Severely discharged battery (but
otherwise good battery).
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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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In
MANUAL with battery connections reversed.
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Unplug charger and change to
correct connections.
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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.
(DO NOT RETURN FOR SERVICE)
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Schumacher User Manual Link
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