34 • ENGLISH
TROUBLESHOOTING
FAULT CODES
CODE
PROBLEM POSSIBLE CAUSE POSSIBLE SOLUTION
F01
The battery voltage is less than
10V after 10 minutes of charging.
Maybe there is short circuit in the
battery.
Go to a professional Lab to test
the battery.
A load may be connected to the
battery.
Disconnect the load and attempt
to charge again.
The battery voltage is still
less than 13V after multiple
reconditioning attempts.
The battery is sulphated beyond
reconditioning.
Replace the battery.
F02 Charge voltage is too high. Battery is 24V, not 12V. Confirm that battery is 12V.
F03 Charge current is too high.
A load may be connected to the
battery.
Disconnect the load and attempt
to charge again.
F04
The temperature of the charger
is too high.
High ambient temperature.
Ensure adequate ventilation. The
charger will resume charging
after cooling.
F05
Maintenance mode change to
Floating charging Mode
The charge current is too low,
can’t fully charge the battery
Select a higher charge rate.
Maybe there is short circuit in the
battery.
Go to the specialist to check the
battery.
The battery is used during
charging
Disconnect the load.
The self-discharging current is
larger than the floating current.
Please select higher charging
rate charger.
F06 Reverse polarity.
The battery clamps are
incorrectly connected.
Disconnect clamps and ensure
proper connection.
SERVICE INFORMATION
BLACK+DECKER offers a full network of company-owned and authorized service locations. All BLACK+DECKER
Service Centers are staffed with trained personnel to provide customers with efficient and reliable power tool service.
For more information about our authorized service centers and if you need technical advice, repair, or genuine factory
replacement parts, contact the BLACK+DECKER location nearest you, or visit us at www.BlackandDecker-la.com
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