Problem possible cause solution, M. troubleshooting – Schumacher PS-2100MA User Manual
Page 6
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PROBLEM
POSSIBLE CAUSE
SOLUTION
No meter reading.
Connections are reversed.
With charger unplugged, reverse clamps and
reconnect. (Rock back and forth to bite in.)
Poor electrical connection.
Clean clamps and battery posts and reconnect.
(Rock clamps back and forth to bite in.)
AC outlet is dead.
Plug in a lamp or other appliance to check for
voltage.
Battery is defective (will not
Have battery checked.
accept charge).
Charger will not turn on
Battery recently charged as result
Battery does not need charging.
(when properly connected
of driving and is fully charged.
(Turning on headlights will lower battery
to power) in automatic mode only.
voltage in a few seconds and charger
should then turn on.)
Charger will not turn OFF.
Battery has problem and will
Have battery checked.
not take full charge, or it is a manual
charger.
Meter needle fluctuates back and
Battery has reached Full Charge and
Have battery checked.
forth from the middle to the left.
and is not able to maintain above 13.V
Meter needle pulses
Two or more batteries
Do not parallel charge.
(fluctuates) every few
connected in parallel.
seconds AFTER THREE
HOURS without slowing
down.
Battery of 200 ampere hours
Requires more time to charge: continue
or larger.
charging.
Battery is connected to
a device that draws a small
current (such as an
interior light).
Meter needle moves to extreme
Battery is severely discharged (but
Allow charging to continue until battery has
right, remains a short time, then
otherwise good).
recovered sufficiently to take a charge.
returns to zero, accompanied
(Circuit breaker will continue to cycle and
by a clicking sound.
needle will swing side to side until battery has
recovered.)
Battery is defective (will not accept
Have battery checked.
charge).
Charger is cycling after circuit breaker
Wait until charger automatically resets itself
overload.
(DO NOT RETURN FOR SERVICE).
The battery charger is designed to work automatically. However, if a problem does occur, check the following:
M.
TROUBLESHOOTING