Troubleshooting And Error Codes - Schumacher Electric SE-4020-CA Manual Del Usuario

13. TROUBLESHOOTING AND ERROR CODES

Error Codes
CODE
The battery voltage is still under
10V (for a 12V battery) or 5V
F01
(for a 6V battery) after 2 hours of
charging.
The charger cannot desulfate
F02
the battery.
The battery was unable to reach
the "full charge" voltage.
F03
The connections to the battery
F04
are reversed.
The charger was unable to
keep the battery fully charged in
F05 maintain mode.
The charger detected that the
F06 battery may be getting too hot
(thermal runaway).
If you get an error code, check the connections and settings and/or replace the battery.
Troubleshooting
PROBLEM
Charger will not turn
on when properly
connected.
The Boost-Charging
LED is flashing.
The Boost-Charging
LED does not turn off.
Charger does not detect
a low voltage battery.
DESCRIPTION
POSSIBLE CAUSE
AC outlet is dead.
Poor electrical connection.
Battery is defective.
The charger has stopped in
Boost or Charge mode.
The battery is bad.
The charger is still in Boost or
Charge mode.
The charger was on for more
than 5 minutes before it was
connected to the battery.
REASON/SOLUTION
The battery could be bad. Have it checked or
replaced.
The battery could not be desulfated; have it
checked or replaced.
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.
The battery is connected backwards. Unplug the
charger and reverse the connections to the battery.
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.
The charger automatically shuts the current off if
it detects the battery may be getting too hot. Have
the battery checked or replaced.
Check for open fuse or circuit
breaker supplying AC outlet.
Check power cord and extension
cord for loose fitting plug.
Have the battery checked.
The charger cannot complete
the boost or charge. Have the
battery checked and replace, if
necessary.
Disconnect charger from the
AC outlet and then remove the
clamps. Do not continue to try
to charge the battery. Have the
battery checked and replace, if
necessary.
This is normal. The Boost-
Charging LED will not turn off
until the battery is disconnected
from the charger.
The clamps are active for only the
first 5 minutes. Switch to the OFF
position and connect the charger
to the battery. Set the switch to the
Boost/Charge/Maintain position.
Then push the rate selection
button to turn on the charger.
• 9 •
REASON/SOLUTION