11/07/2025
Why Your Dishwasher Isn’t Draining Properly
If you open your dishwasher after a cycle and find standing water at the bottom, don’t panic — it’s a common issue with several possible causes. Understanding what’s going on can help you fix the problem before it turns into a costly repair.
The most common reason a dishwasher doesn’t drain is a clogged filter or drain hose. Over time, food particles, grease, and debris can build up and block the flow of water. Cleaning the filter and checking the drain hose for obstructions is often all it takes to get things moving again.
Another frequent cause is a blocked air gap or garbage disposal connection, which can create a pressure imbalance that prevents proper drainage. If your dishwasher drains through the sink or disposal, ensure that connection is clear.
Sometimes, the issue lies with a faulty drain pump or a kinked hose, which may need to be replaced or adjusted by a technician. In rare cases, electrical or control board issues can interfere with the draining cycle.
Prevent the problem by rinsing dishes lightly before loading, cleaning the filter regularly, and running a maintenance cycle with vinegar or dishwasher cleaner once a month.
A dishwasher that doesn’t drain isn’t just inconvenient — it’s a sign that your system needs attention. Address it early to avoid water damage, bad odors, or bigger mechanical issues down the line.
Call us today to schedule your appointment at 416-825-9911.
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