User manual MAKITA BTW120

[. . . ] Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified serviceman. Do not disassemble charger or battery cartridge; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire. To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning. [. . . ] If you leave the battery cartridge in the charger after the charging cycle is complete, the charger will switch into its ``trickle charge (maintenance charge)'' mode which will last approximately 24 hours. After charging, unplug the charger from the power source. 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 justoperated 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. 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. 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. Conditioning charge can extend the life of battery by automatically searching the optimum charging condition for the batteries in every situation. The battery employed in the following conditions repeatedly, will be worn out shortly, and yellow warning light may flash. Recharge of battery with its low temperature 3. Recharge under broken cooling system The charging time of such battery is longer than usual. If you leave the battery cartridge in the charger to prevent spontaneous discharging after full charge, the charger will switch into its ``trickle charge (maintenance charge)'' mode and keep the battery cartridge fresh and fully charged. Always stop tool operation and charge the battery cartridge when you notice less tool power. Let a hot battery cartridge cool down by inserting it into the charger. Charge the Nickel Metal Hydride battery cartridge when you do not use it for more than six months. 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. [. . . ] To maintain product safety and reliability, repairs, maintenance or adjustment should be carried out by a Makita Authorized Service Center. CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. The accessories or attachments should be used only in the proper and intended manner. [. . . ]