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Charging Procedure
1. Plug the charger into an appropriate outlet.
2. Insert the battery pack into the charger. The red (charging) light will
blink continuously indicating that the charging process has started.
3. The completion of charge will be indicated by the red light remaining
ON continuously. The pack is fully charged and may be used at this
time or left in the charger.
BATTERY PERFORMANCE
Some chargers have a tune-up feature optimizes battery pack
performance. Your charger may provide Automatic Tune-Up™ Mode
or manual (i.e. push button) Tune-Up™ mode. For information on this
feature, please see the appropriate section below. Because batteries
slowly lose their charge when they are not on the charger, the best
place to keep your battery pack is on the charger at all times.
USING AUTOMATIC TUNE-UP™ MODE
The Automatic Tune-Up™ Mode equalizes or balances the individual
cells in the battery pack allowing it to function at peak capacity. Battery
packs should be tuned up after every 10th charge/ discharge cycle or
whenever the pack no longer delivers the same amount of work. To
use the automatic tune-up mode, simply place the battery pack in the
charger and leave it for at least eight hours. The charger will cycle
through the following modes.
1. The red light will blink continuously indicating that the 1-hour charge
cycle has started.
2. When the 1-hour charge cycle is complete, the light will stay on
continuously and will no longer blink. This indicates that the pack
is fully charged and can be used at this time.
3. Whenever the pack is left in the charger after the initial 1-hour
charge, the charger will begin the Automatic Tune-Up™ Mode. This
mode continues up to 8 hours or until the individual cells in the
battery pack are equalized. The battery pack is ready for use and
can be removed at any time during the Tune-Up™ Mode.
All manuals and user guides at all-guides.com
4. Once the Automatic Tune-Up™ Mode is complete the charger will
USING THE MANUAL TUNE-UP™ MODE
The manual Tune-up™ mode equalizes or balances the individual cells
in the battery pack at its peak capacity. This mode takes up to 8 hours
to complete. Battery packs should be tuned up weekly or after 10 to
20 charge/discharge cycles or whenever the pack no longer delivers
the same amount of work.
1. To tune up your battery pack, place the battery in the charger as
2. Press the Tune-Up™ Mode button any time after the charge cycle
3. When the Tune-Up™ mode cycle is complete, the light will stay on
4. If you select Tune-Up™ Mode and then change your mind, remove
Fan Cooling
This charger is equipped with an internal fan that provides rapid cooling
of D
and will turn on when required during battery charging. The fan will also
cycle periodically when there is no battery in the charger in order to
blow dust from the fan vents.
face and eyes away from area above vents. To minimize the risk of eye
injury, always use eye protection.
3
transition to a maintenance charge; no indicator light shows the
completion of the Automatic Tune-Up™ Mode.
usual. The red light will blink continuously indicating that the charge
cycle has started.
has started. The red light will stop blinking momentarily, blink quickly
3 times, and then resume blinking continuously. The charger is
now tuning up the cells in your battery.
continuously. The pack is fully charged and may be used at this time
or left in the charger.
the battery from the charger. After 5 seconds, insert the battery into
the charger. The normal charge cycle will begin.
WALT DW0242 battery packs. The fan operation is automatic
E
WARNING: Fan may blow debris from vent area at any time. Keep
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