Washing Machine Water Level Sensor Circuit

However the washer s pressure switch can fail over time.

Washing machine water level sensor circuit.

The sensor is attached to the floor near the water hoses the area that will most likely get wet first. Washing machine floods due to a bad valve or a ruptured water hose are frequent enough that an automatic sensor is a good investment. The reason the washing machine won t fill might lie with the water level switch. To prevent overflowing or too much water from entering the tub of the machine during the wash cycle a water level switch is installed.

Whirlpool ge electrolux and others use an air tube connecting an air dome on the tub to a pressure sensor with a physical diaphragm or transducer that feels the water level increase as an increase in pressure inside the air tube. It does this through a plastic tube which runs from the switch in the control console down to the side of the outer tub near the bottom. Step 2 check water level switch. Water level sensing in lg washers is done differently from how you may be used to seeing it done in other brands.

If the hose is damaged you will need to replace it as soon as possible. This is a video about fully automatic washing machine s pressure sensor that how to check and how does work it. Washing machine repair how to test the water level switch. Youtube have required creators like me to have at least 1000 subscribers teardown of a siemens air pressure switch from a bosch cl.

The water level in most washing machines is well below 2 feet 0 87 psi so a pressure sensor that can measure 1 psi would work in this application. Here s how to install one. Hantek 3in1 digital oscilloscope waveform gen. Your washing machine has some internal switches that control various functions and any one of them may go bad and require replacement.

It can have problems due to blockage in its pressure hose or it can have an electrical malfunction. T he water level switch aka pressure switch senses the water level in the wash tub. A faulty water level or pressure switch is one such device. The water level switch is connected to the console with a tube running down into the machine.

Air pressure is sensed to measure water level in washing machines. Your home s washing machine has a tub that fills with a precise amount of water and agitates the clothes until they are free from soil.