Schumacher Proseries PSC-12500A - Manual (Page 10)

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PROBLEM POSSIBLE CAUSE REASON/SOLUTION
Short or no start
cycle when cranking
engine.
Drawing more amps than the
charger can provide.
Failure to wait 3 minutes
(180 seconds) between cranks.
Clips are not making a good
connection.
AC cord and/or extension cord
is loose.
No power at receptacle.
The charger may be overheated.
Battery may be severely
discharged.
Crank time varies with the
amount of current drawn. If
cranking draws more amps than
the charger can provide, crank
time may be less than 3 seconds.
Wait 3 minutes of rest time
before the next crank.
Check for poor connection at
battery and frame.
Check power cord and extension
cord for loose fitting plug.
Check for open fuse or circuit
breaker supplying AC outlet.
The thermal protector may have
tripped and needs a little longer
to reset. Make sure the charger
vents are not blocked. Wait and
try again.
On a severely discharged
battery, charge for 10 to 15
minutes in the highest charge
rate to help assist in cranking.
Charger will not turn
on when properly
connected.
AC outlet is dead.
Poor electrical connection.
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
The battery is
connected and the
charger is on, but is
not charging.
Clips are not making a good
connection.
The charger is in tester mode,
not charge mode.
Check for poor connection at
battery and frame. Make sure
connecting points are clean.
Rock clips back and forth for a
better connection.
Press the Charge Rate button to
activate charging and select a
charge rate.
The measured current
is much lower than
what was selected.
The charger reached the
maximum voltage and is
reducing the current.
No problem; this is a normal
condition.
The DIGITAL
DISPLAY always
flashes before the
battery is completely
charged.
The incorrect BATTERY TYPE
may have been selected.
The battery did not reach full
charge within 24 hours.
The battery is defective.
Reset the charger by briefly
unplugging it or briefly
disconnecting the negative
battery clip. Be sure to reset the
charger to the proper settings.
May be due to a very large battery
or bank of batteries requiring more
power than the charger can deliver
within 24 hours.
Have the battery checked.