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How to Properly Maintain and Clean an Espresso Coffee Machine Espresso machines push water through the coffee grounds with pressure. This type of brewing creates stronger beverages than drip coffee. The machines require 9 bars of pressure to extract flavor from the grounds. Espresso machines are available in three primary types. There are three kinds of espresso machines that are semiautomatic, manually operated and fully automated. Semiautomatic machines allow you to control grinding, tamping and extraction time. They provide a great compromise between machine control and human reliability. Easy to use The best espresso machines are simple to use. They have an adjustable thermostat that maintains water at the right temperature and a pressure pump that increases the amount water per shot. The higher pressure allows grounds to dissolve more quickly and produces a crema with the perfect consistency. These machines also have a milk mixer to make espresso-based drinks such as lattes and cappuccinos. Traditional electric steam-driven espresso machines make use of an air-tight tank to heat the water until it reaches a boiling point, then releases the pressure in a shot. They are compact and cheap however, they only provide about 1-2 bars of pressure. This is less than the ideal 9 bars for espresso. Semi-automatic espresso machines dispense hot water into a portafilter that is filled with beans that have been ground and pretamped. The barista is the one responsible for the extraction process, but must manually measure the amount of beans, grind and 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 remove the barista's role in the brewing process. They usually come with grinders that connect to the portafilter. They automatically grind and dose the beans, and can be adjusted to create different drinks. Some machines have a milk hopper that can make frothy milk and pour it out for you. Easy to clean Espresso machines create a thicker and more full-bodied shot using greater heat and pressure than drip coffee makers. They also have the milk frothing system that allows you to make lattes and cappuccinos. They also require more regular maintenance than drip machines that includes descalers and routine cleaning. Fortunately that most espresso machines are simple to clean. A number of models on our list have been designed to make cleaning easier. Most espresso machines come with a portafilter that holds the coffee grounds during brewing. Some models also come with a group head that is a set of components that perform the actual extraction. To keep these components free of gunk and grit you'll need to flush your machine back on a regular basis. This is done by washing and brushing the group head. After that, you'll need to locking the portafilter, and then running the brew process several times. Backflushing is routinely done in many coffeehouses. However, at home it should only be done every other week. Utilizing soft or filtered water is recommended as this will help reduce the amount of mineral buildup and reduce your need to descale. It is important to remember that a moderate amount of water is required for extraction. Too much mineral will overwhelm the flavor. Too little can result in an unsavory, salty coffee. Maintaining your machine in good condition will ensure that it will continue to function well and taste great for as long as you have it. Easy to maintain A coffee machine allows you to prepare a variety of coffee drinks. But unlike your average carafe coffee maker espresso machine requires a higher amount of pressure and temperature in order to get the desired results. To achieve this, the machine has to be cleaned and maintained properly. Fortunately, you don't need to be an expert to keep your espresso machine running smoothly. You'll want to clean your gasket every week. This is where the coffee oils gather and can cause the bitter taste of coffee that has gone rancid. To do this, backflush the entire group using a solution of water and espresso machine cleaner. You'll also want to scrub the screen and the nooks and crevices with a nylon brush or Coffeetool. It is also essential to clean the drip tray daily because it collects coffee waste that comes from each brewing cycle. This could become an ideal habitat for bacteria and mold which can affect the taste of your coffee. Additionally, you'll want to clean the outside of your machine often to keep milk and coffee residue from building up. You should also consider using a milk system cleaner which is food-safe and designed to clean components that come into contact with milk. These are available at the majority of grocery stores and are easy to use. coffeee.uk and simple A coffee maker or espresso machine is a very useful appliance in a office or at home. Like any other electrical appliance, it can malfunction at times. This can be a hassle particularly if your coffee or espresso machine stops working. Most of these problems are easily fixable. In many cases, they're due to a simple mistake or a poor maintenance. First, make sure that the machine is powered and switched on. Examine the water tank for any clogs or obstructions. If the issue continues, it could be necessary to call in a professional technician. The most common issues that espresso and coffee machines encounter are power outages, no heat, a faulty steam wand, or the inability to make enough pressure. Some of these issues can be easily fixed, while others require a thorough troubleshooting or cleaning. These tasks must be carried out with extreme caution and care since many parts could be damaged and fragile. If you are unsure of how to repair your espresso or coffee machine, you should speak with a professional for costly repairs. You should also use the proper tools and follow the procedures when fixing espresso or coffee machines. Be aware that some brands will only allow their coffee or espresso machines to be repaired by a national repair center that is accredited.