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How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines use pressure to push water through coffee grounds. This method of brewing produces a stronger beverage than drip coffee. The machines require nine bars of pressure to extract the flavor from the ground. Espresso machines are available in three main varieties. They are semiautomatic, manual and fully automatic. Semiautomatic machines permit you to regulate grinding, tamping and extraction time. They are a great balance between human control and machine consistency. Simple to use The best espresso machines have an easy-to-use interface. They come with an adjustable thermostat that maintains water at the right temperature, and a pressure pump that increases the amount of water used per shot. The higher pressure makes the grounds dissolve more quickly and creates a crema with the right consistency. These machines come with a milk frother for making espresso-based drinks such as lattes and cappuccinos. Traditional electric steam-driven espresso machines utilize an air-tight container to heat the water until it reaches the boiling point, then releases the pressure in a shot. They are small and affordable but they can only deliver 1 or 2 bar of pressure. This is less than the ideal 9 bar needed for espresso. Semi-automatic espresso machines function by introducing hot water through an espresso portafilter that has been pre-ground and tamped of beans. The barista is in charge of the extraction process but has to manually measure grind, grind and then tamp each cup of beans. This machine is more expensive however it provides greater control and stability. Jai from Blank Street Cafe says. Full-automatic espresso makers are simpler to use than semiautomatic espresso machines because they don't require the barista's role in the brewing process. Most come with built-in grinders which click into the portafilter. They automatically grind and dose the beans and can be adjusted to create various drinks. Some even have a milk hopper and can do the frothing and pouring for you. Easy to clean Espresso machines make use of higher pressure levels and heat than drip coffee makers to create an intense, full-bodied shot. espresso coffee machines come with an automatic milk frothing device, which lets you make lattes and cappuccinos. They require more maintenance than drip machines, such as regular cleaning and descaleing. Fortunately, espresso machines are easy to clean. Some of the models on our list have been made to make cleaning easier. Most espresso machines come with a portafilter. It holds the grounds of coffee during brewing. Some models also have a group head that is a set of parts which perform the actual extraction. Backflushing your machine on a regular basis will keep these components clean and free of gunk and grit. This is done by washing and brushing the group head, then locking the portafilter, and then running the brew process several times. Backflushing is performed daily in a lot of coffeehouses, however at home it should only be done once a week. Using filtered or soft water is recommended as this will reduce mineral buildup and reduce the need to descale. However it is important to keep in mind that a moderate amount of minerals is essential for proper extraction. Too much mineral will overwhelm the flavor. Too little could result in weak, salty coffee. Keeping your machine properly maintained will ensure that it continues to function properly and taste great for as long as you have it. Easy to maintain An espresso machine is a stunning piece of equipment that allows you to serve a broad variety of coffee drinks. However, unlike a typical carafe, an espresso machine requires a higher amount of pressure and temperature in order to get the desired results. To achieve this, the machine should be cleaned and maintained properly. You don't have to be an an expert in order to keep your espresso maker running smoothly. In the beginning, you'll have to thoroughly clean the gasket in your group every week. In this area, coffee oils can collect and cause bitterness in the espresso. Backflush your group using a water-espresso machine cleaner. You will also want to scrub the group's screen including the nooks and crevices, with a nylon toothbrush or Coffeetool. The drip tray is important to clean daily as it collects all the coffee waste after each brewing cycle. It can also become an ideal habitat for bacteria and mold, which can affect the flavor of your coffee. You'll also want to clean your machine's exterior regularly to avoid the accumulation of coffee and milk residue. You can also think about using a milk system cleaner, which is food-safe and designed to clean all components that come in contact with milk. These products are available in a majority of supermarkets. They are also easy to use. Repairs are easy A coffee or espresso machine is a valuable appliance in the office or home. But, as with any electrical appliance, it could malfunction at times. This can be frustrating, especially if your espresso or coffee maker isn't working. The majority of these issues are fixable. In many cases, they are caused by a simple mistake or a lack of maintenance. The first step is to ensure that the machine is powered and turned on. Examine the water tank for any clogs or obstructions. If the problem persists it could be the right time to get a professional technician. Some of the most common issues that espresso and coffee machines encounter are power outages or heat, a malfunctioning steam wand, or a failure to generate enough pressure. Some of these issues can be easily fixed, while others require a more thorough investigation or cleaning. These tasks must be performed with extreme caution and care as many components could be fragile and damaged. Contact a professional when you are unsure how to repair your espresso or coffee machine to avoid costly repairs. Make sure you use right tools and follow safe methods when you repair coffee or espresso machines. Be aware that some brands require that their espresso or coffee machines are serviced at a certified national repair center.