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1515, 2017
Why won’t my dishwasher drain?

Why won’t my dishwasher drain?

Your dishwasher really helps you save time and energy on all those dishes. However, there are some problems that can occur from time to time, such as failing to drain. If your dishwasher does not drain, it might be something simple that you can fix yourself or you might prefer to call a professional. Either way, here are some of the most common reasons behind such a problem.

Clogged air gap
You will notice that the air gap has a dome shape and its purpose is to allow a smooth transition of pressure between the surrounding environment and your dishwasher. Check this air gap for any blockages and clean it out. You might need to remove the exterior cover in order to clean it out.

Blocked sink
If your sink is blocked, it can result in your dishwasher being blocked too. This is because they are both connected to the same main outlet. You can use a plumbing snake to break up the blockage and allow for a free flow of water again. Remember that chemical drain cleaners pose a number of risks and might not be suitable for your sink!

Wrong detergent
If you are using the wrong detergent, it can also result in poor drainage. Use dishwasher detergents only and, if you are in doubt, ask the manufacturer for advice on the best brand for your make and model. If you find that there are too many bubbles in your machine, you might also need to use less detergent.

Check the filter
Your dishwasher has a filter that can become full from time to time. Regular cleaning ensures that water is not trapped inside your dishwasher due to a blocked filter. If the filter is really old, worn, or damaged, you will need to replace it. Make sure you use the correct filter for your dishwasher. If you are not sure, check your user manual or ask the manufacturer.

Blocked drain hose
If the drain hose has a kink in it, it can prevent water from running out. Make sure that you inspect the hoses regularly for such kinks as well as any other damage. Remember to always allow enough space for the hoses. This is important for preventing such kinks in the first place.

Drain loop too high
Water naturally flows from high to low. If your drain hose loop is too high, it can prevent the flow of water no matter how hard the water pump works. You simply need to readjust and reposition the hose to allow for better flow.

If any of these quick fixes seem too tricky, you can always call a professional. In some cases, your dishwasher might not drain due to another problem such as a faulty pump or even an electronic error. In such cases, it is best to contact a trained appliance repair professional. At Express Appliance Repair, our team prides itself in providing speedy repairs. Contact us today at (647) 483-9051 to get your dishwasher running again in no time!

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