Troubleshooting - Schumacher SC1352 Owner's Manual

14. TROUBLESHOOTING

PROBLEM
The charger will not turn on
when properly connected.
Battery clamps do not
spark when touched
together.
The battery is connected
and the charger is on, but
is not charging.
No reading on the digital
display.
Digital Display reads LOW
when testing the alternator.
Digital Display reads HIGH
when testing the alternator.
Yellow/orange LED is
lit and the display shows
ANALYZING BATTERY.
The display shows
CHARGE ABORTED BAD
BATTERY.
The display shows
CONNECT CLAMPS.
POSSIBLE CAUSE
AC outlet is dead.
Poor electrical connection.
Battery is defective.
The charger is equipped
with an auto-start feature.
It will not supply current to
the battery clamps until a
battery is properly connected.
The clamps will not spark if
touched together.
The charger is in tester mode,
not charge mode.
Display Assembly not
connected to base.
Charger is not plugged in.
No power at receptacle.
The alternator output is 13.2
volts or less.
The alternator output is 14.6
volts or more.
The charger needs to check
the condition of the battery.
The battery is sulfated;
desulfation failed.
The battery is too large for
the charger.
The clamps are not making a
good connection.
• 12 •
SOLUTION
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
Have battery checked.
No problem; this is a normal
condition.
Selecting a charge rate and
pressing the START button
activates the battery charger and
deactivates the tester.
See Section 9, Assembly
Instructions.
Plug the charger into an AC outlet.
Check for open fuse or circuit
breaker supplying AC outlet.
Have the electrical system
checked by a qualified technician.
Have the electrical system
checked by a qualified technician.
The yellow/orange LED will be lit
when the charger is checking the
condition of the battery.
Do not continue attempting to
charge this battery. Check the
battery and replace, if necessary.
You need a charger with a higher
amp rate.
Check for poor connection at
battery and frame.