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Dishwasher Not Draining? Here’s How to Fix It Fast
If your dishwasher is not draining, leaving water at the bottom, or stopping mid-cycle, this is one of the most common dishwasher problems. Most issues are caused by a failed drain pump, clogged filter, or blocked hose.
Quick Answer
The most common cause of a dishwasher not draining is a clogged filter or failed drain pump.
Top 10 Causes of a Dishwasher That Won’t Drain
1. Drain Pump Failure
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Main cause of water staying in dishwasher.
2. Clogged Filter
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Food debris blocks water flow.
3. Blocked Drain Hose
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Kinked or clogged hose stops draining.
4. Garbage Disposal Block
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New installs often forget to remove plug.
5. Air Gap Blockage
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Prevents proper drainage.
6. Check Valve Issue
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Water flows back into dishwasher.
7. Control Board Problem
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Stops pump from activating.
8. Float Switch Stuck
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Incorrect water level detection.
9. Wiring Issue
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Electrical interruption.
10. Pump Motor Failure
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Motor burns out over time.
Common Symptoms
- Standing water at bottom
- Dishwasher not completing cycle
- Humming but not draining
- Water returns after draining
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