Washing Machine Water Level Sensor Circuit

Here s how to install one.

Washing machine water level sensor circuit.

Washing machine floods due to a bad valve or a ruptured water hose are frequent enough that an automatic sensor is a good investment. 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. If the hose is just kinked simply straighten the hoses and try the washing machine again to check that it fills properly. 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.

Water level sensing in lg washers is done differently from how you may be used to seeing it done in other brands. Washing machine repair how to test the water level switch. However the washer s pressure switch can fail over time. Your washing machine has some internal switches that control various functions and any one of them may go bad and require replacement.

Hantek 3in1 digital oscilloscope waveform gen. 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. To prevent overflowing or too much water from entering the tub of the machine during the wash cycle a water level switch is installed. If the hose is damaged you will need to replace it as soon as possible.

It can have problems due to blockage in its pressure hose or it can have an electrical malfunction. The water level switch is connected to the console with a tube running down into the machine. Youtube have required creators like me to have at least 1000 subscribers teardown of a siemens air pressure switch from a bosch cl. Water does more damage to homes.

The reason the washing machine won t fill might lie with the water level switch. Step 2 check water level switch. A faulty water level or pressure switch is one such device. Air pressure is sensed to measure water level in washing machines.

The sensor is attached to the floor near the water hoses the area that will most likely get wet first. 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.