Melitta Coffee Machine 4. Coffee Maker Not Heating: One more trouble that may come about in Melitta coffee makers is when the machine does not heat the drinking water thoroughly. This may be due to a difficulty with the heating component or a difficulty with the ability supply. A: https://coffeemachinemelittasolo.post-blogs.com/56676540/melitta-coffee-machine-price-the-ultimate-guide-to-melitta-coffee-machine-cleaning