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– 14 –
8. PREPARING THE VACUUM CLEANER
If the battery is charged when it is warm due to
battery use or exposure to sunlight, the battery will
not be recharged. In such a case, let the battery cool
before charging.
If the red indicator ickers rapidly at 0.2 second
intervals, check or and remove any foreign objects in
the charger’s battery slot. If there are no foreign
objects, it is probable that the battery or charger is
malfunctioning. Allow battery/charger to normalise
and try again. If a fault remains after trying this then
contact Draper Tools.
8.3 BATTERY PACK PROTECTION
FEATURES
Overcharging protection: This feature that ensures
that the battery pack can never be overcharged.
When the battery pack reaches full charge capacity,
the transformer/charger will automatically shut off,
protecting the internal components from being
damaged.
Over-discharging protection: This feature will stop
the battery pack from discharging beyond the
recommended lowest safety voltage.
Overheating protection: The battery pack contains
an internal thermistor cut-off sensor which shuts off
the battery pack should it become too hot during
operation. This can happen if the tool is overloaded
or being used for extended periods. Up to 30 minutes
cooling time may be required, depending on ambient
temperature.
Current protection: Should the battery be overloaded
and the maximum current draw be exceeded, the
battery will shut off to protect the internal components.
The battery pack will resume working once excessive
current draw has returned to normal, safe level.
Short circuit protection: If, for any reason, the
battery pack was to short circuit, the short circuit
protection would immediately stop the battery pack from operating.
8.4 BATTERY PACK CHARGE STATUS – FIG. 7
To display the amount of charge left in the battery pack, press the charge level indicator button .
8.5 BATTERY LIFE EFFICIENCY AND CHARGING ADVICE
– Avoid recharging at high temperatures. A rechargeable battery will be hot immediately after use. If
such a battery is recharged immediately after use, its internal chemical substance will deteriorate, and
the battery life will be shortened. Leave the battery and recharge it after it has cooled for a while.
– The battery should only be used and/or charged when battery temperature is between 5°C and 30°C.
– The battery needs to be warmed-up or cooled down in order to prevent damage to the batteries
internal components,
Note: If battery is too hot or too cold, allow it to ‘normalise’ before use or charging.
Note: Failure to warm up or cool down a battery could result in serious damage to the battery,
charger and user.
FIG.7
Amount of charge
remaining
0 – 10%
10 – 25%
25 – 50%
50 – 75%
75 – 100%
Charge level
indicator
.
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