Makita BTD150 User Manual download pdf (Page 9)

6. After charging, unplug the charger from the power

source.

NOTE:

• The battery charger is for charging Makita battery

cartridge. Never use it for other purposes or for other

manufacturer’s batteries.

• When you charge a new battery cartridge or a battery

cartridge which has not been used for a long period of

time, it may not accept a full charge. This is a normal

condition and does not indicate a problem. You can

recharge the battery cartridge fully after discharging it

completely and recharging a couple of times.

• If you charge a battery cartridge from a just operated

tool or battery cartridge which has been left in a location

exposed to direct sunlight for a long time, the charging

light may flash in red color. If this occurs, wait for a while.

Charging will begin after the battery cartridge is cooled

by the cooling fan installed in the charger. When the

temperature on battery is more than approx. 70°C, two

charging lights may flash in red color, and when approx.

50°C - 70°C, one charging light in red color.

• If the charging light flashes alternately in green and red

color, charging is not possible. The terminals on the

charger or battery cartridge are clogged with dust or the

battery cartridge is worn out or damaged.

Cooling system

• This charger is equipped with cooling fan for heated

battery in order to enable the battery to prove its own

performance. Sound of cooling air comes out during

cooling, which means no trouble on the charger.

• Yellow light will flash for warning in the following cases.

- Trouble on cooling fan

- Incomplete cool down of battery, such as, being

clogged with dust

The battery can be charged in spite of the yellow

warning light. But the charging time will be longer than

usual in this case. Check the sound of cooling fan, vent

on the charger and battery, which can be sometime

clogged with dust.

• The cooling system is in order although no sound of

cooling fan comes out, if the yellow warning light will not

flash.

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Makita BTD150 User Manual Page 9