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SC-10030A Error Codes
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ERROR CODE
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DESCRIPTION
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REASON/SOLUTION
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F01
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The
battery voltage is still under 10V
(for a 12V battery) or
5V (for a 6V battery) after 2 hours of charging.
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The
battery could be bad. Have it checked or replaced.
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F02
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The
charger cannot desulfate the battery.
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The
battery could not be desulfated; have it checked or replaced.
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F03
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The
battery was unable to reach the “full charge” voltage.
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May
be caused by trying to charge a large battery or bank of batteries on
too low of a current setting. Try again with a higher current setting
or have the battery checked or replaced.
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F04
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The
connections to the battery are reversed.
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The
battery is connected backwards. Unplug the charger and reverse the
connections to the battery.
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F05
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The
charger was unable to keep the battery fully charged in maintain mode.
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The
battery won’t hold a charge. May be caused by a drain on the battery or
the battery could be bad. Make sure there are no loads on the battery.
If there are remove them. If there are none, have the battery checked
or replaced.
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F06
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The
charger detected that the battery may be getting too hot (thermal
runaway).
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The
charger automatically shuts the current off if it detects the battery
may be getting too hot. Have the battery checked or replaced.
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SC-10030A Troubleshooting
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PROBLEM
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POSSIBLE CAUSE
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SOLUTION
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The
battery is connected and the charger is on, but isn't charging.
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The
charger is in tester mode, not charger mode.
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Press
the CHARGE START button to activate charging and select a charge rate.
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Indicator
lights are lit in an erratic manner not explained in the “Using Your
Battery Charger” section.
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You
might have accidentally activated a special diagnostic mode.
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Make
sure nothing is touching the control panel, then unplug the charger and
plug it in again.
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DIGITAL
DISPLAY always flashes before the battery is completely charged.
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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 the
charger can deliver within 24 hours. The battery may also be faulty.
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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.
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The
green CHARGED LED lights a few minutes after connecting to the battery.
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The
battery may be fully charged or recently charged, leaving the battery
voltage high enough to appear to be fully charged.
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If
the battery is in a vehicle, turn the headlights on for a few minutes,
to reduce the battery voltage; then try charging again.
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The
incorrect battery type may have been selected.
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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.
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The
charger is making an audible clicking sound.
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Circuit
breaker is cycling.
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The
settings may be wrong. Check the charger settings.
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The
battery is defective.
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Have
the battery checked.
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Shorted
battery cables or clamps.
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Circuit
breaker cycles when current draw is too high. Check for shorted cables
or clamps and replace, if necessary.
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Severely
discharged, but otherwise good battery.
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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.
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Reversed
connections to the battery.
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Shut
the charger off and correct the lead connections.
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Charger
makes a loud buzz or hum.
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Transformer
laminations vibrate (buzz).
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No
problem, this is a normal condition.
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Shorted
Diode Assembly or Output Rectifier Assembly (hum).
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Have
charger checked by a qualified technician.
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Schumacher User Manual Link
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