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  • Writer's pictureDean's Plumbing

Why Won’t My Dishwasher Drain?

Updated: Apr 26


Wont my dishwasher drain

A dishwasher is a technological gem. If you have one, you know how helpful it is, and if you don’t have one, you want one! A dishwasher can save you time and money. Modern dishwashers are environmentally friendly and use as little water as possible. 


When something goes wrong with your dishwasher, it can impede your other household duties. You paid a lot of money to have a dishwasher; you shouldn’t have to do without it. Some minor problems have DIY solutions, but others need a dependable plumber. Dean’s Plumbing will know what to do. Give them a call today if you need dishwasher repairs. For the best plumbers in Xenia, OH, contact us!


Reason Why Your Dishwasher Won't Drain?

It is normal for there to be some water at the bottom of your dishwasher. This water is there to make sure the pump seal stays moist. However, if excess water is left behind after a cycle, there are more technical reasons. 


Dirty Filters

The lower filters in your machine could be blocked. You can check near the sump for these two filters. They collect larger pieces of food that can’t be deposited in your plumbing system. Over time, the filters get blocked and simply need to be cleaned. You can remove the filters and wash them in your kitchen sink. They should be cleaned regularly to avoid a blockage. 


Clogged Hose

The hose near the filter baskets connects to either the garbage disposal or the sink. After a while, some residue can clog the hose, preventing the water from draining. You can check the tube for visible blockage and clean it out. This should unclog your hose and allow the water to drain. 


Dishwasher Door Not Closed Properly

The dishwasher won’t finish draining if the door isn’t latched. Ensure that the door is flush against the machine. 


Interrupted Cycle

Your dishwasher’s draining cycle might have been stopped before it finished. Try canceling the cycle and only selecting a drain setting. If you do not know how to drain your dishwasher, call one of Dean’s helpful Beavercreek plumbers to walk you through it. 


Outlet Switch

This may seem silly, but you might have accidentally switched your machine off. Ensure that the switch is on and proceed to drain the dishwasher. If your outlet switch is on, there may be a problem with the outlet, not your dishwasher. 


Check Your Garbage Disposal and Drain for Blockage

If there is a blockage somewhere in your garbage disposal or drain, your dishwasher won’t drain. You can try unblocking it with hot water. If this doesn’t work and your dishwasher still won’t drain, contact us today to unclog your kitchen drain and garbage disposal. 


Clogged Air Gap

The air gap is between the water outlet and the flood level of your sink. It prevents water from going into your faucet and contaminating the water. The air gap for your dishwasher might be blocked. Cleaning this may not be so simple. We recommend calling an expert plumber to clear the air gap for blockage.


Blockage Within Your Dishwasher

The fault may be with your dishwasher if you can’t find any visible signs of blockage in your household plumbing. Call Dean’s Plumbing to clarify why your dishwasher won’t drain. 


Other Plumbing Problems

If you notice drainage issues around your whole house, the problem could be more serious than cleaning a few filters and tubes. You need a professional to inspect your home’s plumbing system for blocked pipes and drains. 


For the best Beavercreek plumbers, contact Dean’s Plumbing at (937) 372-0821. 

Keep Your Dishwasher Well-Maintained

There are a few checks you can do every year to keep your dishwasher in working order. Most of it is as simple as keeping the components clean. 


  • Clean the filter and trap with a brush and hot water.

  • Clean the spray holes in the arms with a stiff wire brush.

  • Check the dish racks for cracks in the rubber seal. If you notice cracks or rust, call Dean’s Plumbing.

  • Ensure that the drain hose is attached properly. 

  • Check for leaks or cracks in the door.


Call a Dependable Plumber for Dishwasher Support!

Dean’s Plumbing has over 30 years of experience. The plumbing in your house is a complicated system that we have mastered. Our plumbers are friendly and helpful. They can assist with all your plumbing needs! We are a family-owned business that takes pride in providing the community with quality plumbing services. 


For more information, contact Dean’s Plumbing at (937) 372-0821 or visit our website to schedule a dishwasher service!


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