[. . . ] The charger might heat up slightly, which is a perfectly normal phenomenon. However, it is best to unplug the charger in case of prolonged absence (holidays, etc. ) and places that are hard to reach, put the telescopic crevice tool* in the vacuum inlet. [. . . ] You can purchase a replacement filter by contacting your nearest Rowenta Authorised Service Centre. 6 V • BATTERY Replacing the batteries english This appliance contains Nickel Metal Hydride (NiMh) batteries that for safety reasons are only accessible by a professional service engineer. To replace the batteries, please contact the nearest Rowenta Authorised Service Centre. Your appliance contains valuable materials which can be recovered or recycled. Take it to a collection point or an approved service centre so that it can be recycled. VI • FOR YOUR SECURITY Read the instructions for use carefully and keep them in a safe place. Your vacuum cleaner is an electrical device: it must be used under normal conditions of use. This appliance is not designed to be used by people (including children) with a physical, sensory or mental impairment, or people without knowledge or experience, unless they are supervised or given prior instructions concerning the use of the appliance by someone responsible for their safety. Children must be supervised to ensure that they do not play with the appliance. Do not hold the sucker attachment or tube close to your eyes, ears or hair. Check that the power voltage for your vacuum cleaner corresponds to that of your mains installation. Do not use your vacuum cleaner on the wet surfaces, water or liquids of whatever kind, hot substances (ash, embers), extremely fine substances (plaster, cement, ash . ), large sharp objects (broken glass), products that are harmful (solvents, paint strippers . Never immerse the appliance or charger in water or any other liquid, do not splash water on the appliance or charger. Never place the device close to a heat source (oven, heating appliances or hot radiators). Do not use any charger other than the model provided by the manufacturer. [. . . ] The suction vein may be blocked: stop the machine and unblock the vein. The accessory being used may be blocked: stop the machine and unblock the accessory. Check that the dust compartment is properly attached to the appliance. [. . . ]