A built-in dishwasher may leak for several reasons. Here are some common causes of dishwasher leaks:
Faulty door gasket or seal: The door gasket is a rubber or silicone seal that runs along the edges of the dishwasher door. If it becomes worn, torn, or improperly seated, it can allow water to leak out during the wash cycle. Inspect the gasket for any signs of damage and replace it if necessary.
Loose or damaged hose connections: Dishwashers have hoses that connect to the water supply and drain. If these connections become loose or damaged, they can cause leaks. Check the connections and tighten them if needed. Replace any damaged hoses or fittings.
Cracked or damaged tub: The dishwasher's tub, which holds the water during the wash cycle, can develop cracks over time. This can result from physical impact, age, or improper loading of dishes. Inspect the interior of the dishwasher for any visible cracks or damage. If found, it may require professional repair or replacement.
Overfilling: If the dishwasher is overfilled with water, it can lead to leaks. This can happen if the float switch, which controls the water level inside the dishwasher, malfunctions. The switch may become stuck or damaged, causing the dishwasher to fill with excessive water. A technician can inspect and repair the float switch if necessary.
Clogged or blocked drain: A clog or blockage in the dishwasher's drain system can cause water to back up and leak. Check the drain filter, drain hose, and the area around the drain pump for any debris or obstructions. Clear any clogs or blockages and ensure proper drainage.
Damaged or malfunctioning water inlet valve: The water inlet valve controls the flow of water into the dishwasher. If it develops a defect or becomes damaged, it can result in leaks. A faulty inlet valve may need to be replaced by a professional.
Improper installation: If the dishwasher was not installed correctly, it can lead to leaks. This can include issues such as improper leveling, incorrect connection of hoses, or inadequate sealing. Consulting a professional installer or technician can help identify and rectify any installation-related problems.
It's important to address dishwasher leaks promptly to prevent water damage to your kitchen or surrounding areas. If you're unsure about troubleshooting or repairing the dishwasher yourself, it's recommended to contact a qualified technician or plumber to assess and resolve the issue.