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• 12 •
5. Start the vehicle, rev the engine at 2000 rpm for 30 seconds and turn on the vehicle’s headlights or
other accessories.
6. Read the voltage on the digital display. The alternator percent range is from 0% to 100%. Readings
below 0% (13.2 volts) will read
LO
and readings above 100% (14.6 volts) will read
HI
. If you get a
HI
or
LO
reading, have the electrical system checked by a qualied technician.
12. MAINTENANCE AND CARE
A minimal amount of care can keep your battery charger working properly for years.
• Clean the clamps each time you are nished charging. Wipe off any battery uid that may have come
in contact with the clamps to prevent corrosion.
• Occasionally cleaning the case of the charger with a soft cloth will keep the nish shiny and help
prevent corrosion.
• Coil the input and output cords neatly when storing the charger. This will help prevent accidental damage
to the cords and charger.
• Store the charger unplugged from the AC power outlet in an upright position.
• Store inside, in a cool, dry place. Do not store the clamps on the handle, clipped together, on or around
metal, or clipped to the cables.
13. TROUBLESHOOTING AND ERROR CODES
Error Codes
CODE DESCRIPTION REASON/SOLUTION
F 01
The battery voltage is still under 10V
(for a 12V battery) or 5V (for a 6V
battery) after 2 hours of charging.
The battery could be bad. Have it checked or replaced.
rEC
The charger has detected a sulfated
battery.
The charger will go into recovery mode. If recovery is not
successful after 10 hours, the charger will go into abort
mode.
F02
The charger cannot desulfate the
battery.
The battery could not be desulfated; have it checked or
replaced.
F03
The battery was unable to reach the
“full charge” voltage.
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.
F04
The connections to the battery are
reversed.
The battery is connected backwards. Unplug the charger
and reverse the connections to the battery.
F05
The charger was unable to keep
the battery fully charged in maintain
mode.
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.
F06
The charger detected that the battery
may be getting too hot (thermal
runaway).
The charger automatically shuts the current off if it
detects the battery may be getting too hot. Have the
battery checked or replaced.
F07
The charger shut off because its
internal temperature exceeds limit.
Make sure the charger does not have the side ventilation
holes blocked. Move the charger out of the sun and into
the shade.
F08
The battery voltage dropped too low
during the maintain mode.
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.
If you get an error code, check the connections and settings and/or replace the battery.
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