Troubleshooting - Schumacher Electric SC-8020A Manual Del Usuario

15.

TROUBLESHOOTING

PROBLEM
The battery is connected
and the charger is on, but
isn't charging.
Indicator lights are lit in
an erratic manner, not
explained in this manual.
The DIGITAL DISPLAY
always flashes before
the battery is completely
charged.
The green Charged LED
lights a few minutes after
connecting to the battery.
The charger is making an
audible clicking sound.
POSSIBLE CAUSE
The charger is in tester
mode, not charger mode.
You might have accidentally
activated a special
diagnostic mode.
The incorrect battery type
may have been selected.
This will happen if the
battery did not reach full
charge within 24 hours.
May be due to a very
large battery or a bank of
batteries requiring more
power than a 10A◄►20A
charger can deliver within
24 hours. The battery may
also be faulty.
The battery may be
fully charged or recently
charged, leaving the battery
voltage high enough to
appear to be fully charged.
The incorrect battery type
may have been selected.
Circuit breaker is cycling.
Battery is defective.
Shorted battery cables or
clamps.
Severely discharged
battery, but otherwise it is a
good battery.
Reverse connections at
battery.
13
• •
SOLUTION
Press the BATTERY SIzE
button to activate charging
and select a charge rate.
Make sure nothing is
touching the control panel,
then unplug the charger
and plug it in again.
Reset the charger by briefly
unplugging it or briefly
disconnecting the negative
battery clamp. Select
the desired rate (SMALL
or LARGE BATTERY)
and battery type again, if
necessary.
If the battery is in a vehicle,
turn the headlights on for
a few minutes to reduce
the battery voltage and try
charging again.
Reset the charger by
briefly unplugging it or
briefly disconnecting the
negative battery clip. Select
the desired rate (SMALL
or LARGE BATTERY)
and battery type again, if
necessary.
The settings may be wrong.
Check the charger settings.
Have the battery checked.
Circuit breaker cycles when
current draw is too high.
Check for shorted cables
or clamps and replace if
necessary.
The battery may not want
to accept a charge due to
a run-down state. Allow
charging to continue until
battery has a chance to
recover sufficiently to take
a charge. If more than 20
minutes, stop charging and
have the battery checked.
Shut the charger off
and correct the lead
connections.