1. Coffee powder is too fine: when choosing coffee powder, if you choose fine coffee powder, it is easy to block the filter screen of the coffee machine, leading to blockage.
2. Too much coffee powder: If too much coffee powder is used and the pressure is too high, it will also lead to the blockage of the coffee machine.
3. Over-compression: When compressing coffee powder, if it is over-compressed, it will hinder the smooth flow of water and cause the coffee machine to be blocked.
4. Not cleaned up in time: If the coffee grounds are not cleaned up in time after using the coffee machine, the coffee grounds will accumulate in the filter screen and pipes of the coffee machine, leading to blockage.
5. The water quality is impure: the water quality is not good, and it contains more impurities and minerals, which will form scale in the pipeline of the coffee machine and lead to blockage.
6. Expired coffee beans: When using expired coffee beans to make coffee, the oil and taste in the beans will change, producing some impurities, which will not only affect the quality of coffee, but also lead to the blockage of the coffee machine.
7. Other factors: for example, the aging of the machine and improper maintenance will also cause the coffee machine to be blocked.
In view of the above problems, it is necessary to correctly understand the use skills of italian coffee machine, pay attention to the use and cleaning requirements, and avoid the blockage problem. At the same time, in daily use, we can also increase the frequency of cleaning to ensure that the coffee machine will not produce impurities, thus improving the service life.