How Does A Washing Machine Door Lock Work

The switch is of the bi metallic type and works as it heats up when the door is closed and the water level or start switch is activated and so the parts inside move to lock the door.

How does a washing machine door lock work. Tie the end of the string in a knot once it s completely wrapped around the door. So one of the connections goes to mains hot and to one side of the heater wire on the bi metallic switch. The door interlock is commonly known as a door lock. If your handle seems loose this is the best way to open the door.

Sometimes a lose handle can t trigger the lock to open because it isn t connected to it. Understanding how a door lock works helps in deciding if one is faulty or not. Washing machines have a bi metal strip inside the door lock which is heated by ptc heater resister when live and neutral are activated on to the pcts it heats up and bends the bi metal strip which then moves the arm to activate the common terminal and push a pin into the closed door to lock it in place.