[. . . ] -- Keep the machine and its cord out of the reach of children aged less than 8 years. -- Do not use the machine if the plug, the mains cord or the machine itself is damaged. -- If the mains cord is damaged, you must have it replaced by Philips, a service centre authorised by Philips or similarly qualified persons in order to avoid a hazard. -----------Caution Always return the machine to a service centre authorised by Philips for examination or repair. [. . . ] Do not attempt to repair the machine yourself, otherwise your guarantee becomes invalid. Never put normal ground coffee or use torn pods in the SENSEO® machine, as this causes it to become blocked. Do not place the appliance on a hotplate, directly next to a hot oven, heater or similar source of heat. Do not use the machine at altitudes higher than 2200 metres above sea-level. Always make sure that the spout, drip tray and coffee collector are in place when you brew coffee. Do not use the SENSEO® machine in combination with water softeners based on sodium exchange. It is not intended for use in environments such as staff kitchens of shops, offices, farms or other work environments. Nor is it intended to be used by clients in hotels, motels, bed and breakfasts and other residential environments. electromagnetic fields (EMF) This Philips appliance complies with all applicable standards and regulations regarding exposure to electromagnetic fields. You can also contact the Philips Consumer Care Centre in your country (see the worldwide guarantee leaflet for contact details). Make sure that the coffee pod has been put properly in the centre of the pod holder. In all other cases, contact the Philips Consumer Care Centre in your country. Always make sure the pod holders are clean and the sieve is not clogged to prevent vacuum. HD7828: make sure that the strength selector is in the position you want. For optimal results use the original SENSEO® descaler HD7012/HD7011. Run the descaling cycle and rinsing cycle until the water reservoir is empty. Make sure you replace the used coffee pod with another used coffee pod to filter out scale residue. Repeat the process until the water reservoir is empty, never interrupt the descaling process. If you cannot clean it properly with the washing-up brush, put the pod holder in the machine and descale the machine (see chapter CALC). HD7828 only: Use the strength selector to brew a stronger coffee by selecting less coffee volume. [. . . ] HD7828 only: Use the strength selector to brew a stronger coffee by selecting less coffee volume. If you prefer a more robust flavour, SENSEO® coffee pods with a stronger blend are available. Make sure that you place the coffee pod(s) properly in the centre of the pod holder and ensure the coffee in the pod is evenly distributed. If you prefer a milder flavour, SENSEO® coffee pods with a milder blend are available. [. . . ]