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Schumacher PS-620 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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Charger is not plugged in.
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Plug in.
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Connections
are reversed.
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With charger unplugged, reverse
clamps and reconnect. (Rock back and forth to bite in.)
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Poor
electrical connection.
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Clean clamps and battery posts
and reconnect. (Rock back and forth to bite in.)
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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 and will not accept a charge.
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Have battery checked.
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Charger
will not taper down.
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Battery is defective and will
not accept a charge.
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Have battery checked.
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A
continuous, high meter reading.
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Battery is defective and will
not accept a charge.
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Have battery checked.
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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 and will not accept a full charge.
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Have battery checked.
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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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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 back and forth until battery has
recovered.)
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Battery
is defective and will not accept a 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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