[. . . ] This is normal and not dangerous because all electronics are enclosed in a sealed power unit inside the shaver. -- Do not use the shaver, adapter or any other part if it is damaged, as this may cause injury. Always replace a damaged adapter,  charger or part with one of the original type. -- Use, charge and store the appliance at a temperature between 10°C and 35°C. [. . . ] -- Clean the shaver after every shave for optimal shaving performance. -- For the best cleaning results, we advise you to use the Philips Cleaning spray (HQ110). Always check if the water is not too hot, to prevent your hands from getting burnt. Note:Water may leak from the socket at the bottom of the shaver when you rinse it. This is normal and not dangerous because all electronics are enclosed in a sealed power unit inside the shaver. 8 English Cleaning the shaving unit under the tap 1 Switch off the shaver and disconnect it from the mains. 3 Rinse the shaving unit and hair chamber under a hot tap for 30 seconds. Always check if the water is not too hot, to prevent your hands from getting burnt. Be careful not to hit the shaving unit against anything while shaking off excess water. Never dry the shaving unit and the hair chamber with a towel or tissue, as this may damage the shaving heads and the coupling spindles. 5 Open the shaving unit again and leave it open to let the shaver dry completely. Cleaning the shaving unit with the cleaning brush 1 Switch off the shaver and disconnect it from the mains. English 4 Turn the lock anticlockwise (A) and remove the retaining frame (B). Note: Do not clean more than one cutter and guard at a time, since they are all matching sets. If you accidentally mix up the cutters and guards, it may take several weeks before optimal shaving performance is restored. -- Remove the cutter from the shaving guard and clean it with the brush. Note: Make sure that the projections of the shaving heads fit exactly into the recesses. 10 English 7 Put the retaining frame back into the shaving unit (A) and turn the lock clockwise (B). 8 Insert the lug of the shaving unit into the slot in the top of the shaver. Note: If the shaving unit does not close smoothly, check if you have inserted the shaving heads properly and if the retaining frame is locked. Cleaning the trimmer with the cleaning brush (PT919/PT866/ PT860/PT845/PT739/PT737/PT731 only) Clean the trimmer every time you have used it. 3 Clean the trimmer with the short-bristled side of the cleaning brush. [. . . ] Make sure the rechargeable battery is completely empty when you remove it. Do not connect the shaver to the mains again after you have removed the rechargeable battery. Guarantee and support If you need information or support, please visit www. If there is no Consumer Care Centre in your country, go to your local Philips dealer. [. . . ]