A dishwasher float switch is a component found in most modern dishwashers that helps control the water level inside the appliance during the different cycles of operation. It is a safety feature designed to prevent overfilling the dishwasher, which could lead to water leakage or other potential issues.
The float switch is typically located at the bottom of the dishwasher's tub, near the front. It consists of a small, buoyant float made of plastic or other waterproof material. When the dishwasher's tub fills with water, the float rises with the water level. As the water level reaches a certain point, the float switch is triggered.
When the float switch is activated, it sends a signal to the dishwasher's control board or electronic control unit. The control board then stops the water inlet valve from letting in any more water, preventing overfilling. Additionally, the float switch may also be linked to other safety features in the dishwasher, such as shutting down the dishwasher if a leak is detected.
If the dishwasher float switch malfunctions or gets stuck, it can result in the dishwasher not filling with water properly or, on the other hand, overfilling and causing water to leak out. In such cases, the float switch may need to be cleaned, adjusted, or replaced to restore proper functioning and avoid potential water damage.
As with any electrical or safety component in a dishwasher, if you encounter issues with the float switch or any other part of the dishwasher, it's best to consult the dishwasher's user manual or seek professional assistance for diagnosis and repair.