We can see the water inlet valve of the washing machine by unscrewing the water inlet pipe from the washing machine. Different washing machines have different parts for connecting pipes. The blue highlight is the filter screen. We need pliers to pull it down.
As shown below, we can filter a lot of dirt and other impurities online. Gently clean with an old toothbrush or shoe brush.
4. Brush the filter and put it into the water inlet valve. Then reconnect the water pipe. This operation has been completed.