Whirlpool dishwasher is not draining

You’ve just finished loading the dishwasher, and you hear the dreaded sound of water not draining. What do you do?

Don’t worry; we’re here to help. Below is a comprehensive guide on why your Whirlpool dishwasher may not be draining and what you can do to fix the issue.

Overview of the Whirlpool Dishwasher

Your Whirlpool dishwasher is one of the most important appliances in your home. Not only does it make dishwashing a breeze, but it also helps conserve water and energy. So what do you do when it stops working properly?

This comprehensive guide will walk you through some common problems and their solutions. Whether your dishwasher isn’t draining properly, leaking water, or cleaning dishes like it used to, we’ve got you covered.

We’ll also show you how to access the hidden parts of your dishwasher so you can troubleshoot any problems on your own.

Common Causes of Whirlpool Dishwasher Not Draining

There are a few things you can check on your end before calling a service technician. Here are a few of the most common causes of a dishwasher not draining:

  1. Clogged Dishwasher Drain: This is the most common reason for a dishwasher not draining properly. Food particles, grease, or other debris can cause a clog in the dishwasher drain.
  2. Faulty Dishwasher Drain Pump: If your dishwasher drain pump needs to be fixed, it will not be able to pump water out of the dishwasher. This will cause the machine to fill up with water and eventually overflow.
  3. Clogged Sink Drain: If the sink drain is clogged, it can cause the dishwasher to back up and not drain properly.
  4. Defective Water Inlet Valve: A defective water inlet valve may prevent the dishwasher from filling up with water, which will cause it not to drain properly.

How to Check for Obstructions in the Drain Hose

The first thing you should do is check for obstructions in the drain hose. Remove the drain hose from the dishwasher and check for anything blocking the water flow. You can also check for kinks in the hose.

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If you find an obstruction, remove it and reattach the hose. If there are kinks in the hose, straighten them out and reattach the hose. Run a test cycle to make sure the dishwasher is draining properly.

How to Troubleshoot the Pump, Motor and Float Assembly

If the dishwasher is still draining properly, it’s time to check the pump, motor, and float assembly. First, ensure the power is turned off before taking off any covers. Now, there are a few things to look out for.

Check for any blockages preventing water from flowing out of the drain. Check for drain hose blockages and ensure they are correctly connected to the sink or disposal system. Next, make sure that the motor is securely connected and that no wires are loose. Finally, ensure that the float switch arm is working correctly and not stuck in an upward position because this could prevent water from draining out of the unit.

After you’ve checked these items and rectified any issues you discovered, put everything back together and turn on your dishwasher to test whether it is draining properly now. If it isn’t working as expected, you may need professional help with your repair needs.

Common Problems With the Water Inlet Valve

One component that could prevent your Whirlpool dishwasher from draining is the water inlet valve. When this component fails, no water will enter the dishwasher, which means the dishes won’t get washed and the dishwasher won’t drain.

Luckily, these valves are usually easy to replace. All you need to do is turn off the water supply and unscrew the valve in your dishwasher. Once it’s out of there, you’ll have a new one on hand and swap them out – remember to hook up all of the hoses securely before turning on your water again!

If you need help with this diagnosis or repair, contact a local appliance repair service or a Whirlpool-approved service provider. They should be able to inspect and, if required, replace this component for you quickly so that your dishwasher can be back up and running soon.

Tips for Preventing Future Drainage Issues

Well, now that you have your dishwasher draining again, it’s time to discuss how to prevent this issue from happening again. The biggest thing is to ensure you routinely clean and check the filters in your dishwasher.

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The filters keep your dishwasher running smoothly, so if they are clogged or dirty, it won’t take much for the drain to be blocked. I recommend giving your dishwasher filters a good clean at least once every month or two. And if you have hard water in your home, do it more often since the minerals can build up quickly in the filter.

In addition to cleaning the filters, check the gaskets and seals around the door. If damaged or worn out, they can cause a leak and lead to drainage issues. It’s also important to avoid overloading your dishwasher and ensure space between each item so that water can easily drain out.


When it comes to your dishwasher, if it’s not draining, it’s not doing its job. Not only will this leave your dishes dirty, but it could also lead to water damage in your home. If you’re experiencing this problem, don’t panic. We’re here to help you troubleshoot and fix the issue.

In this article, we’ll walk you through some common causes of a dishwasher that’s not draining and how to fix them. We’ll also show you how to determine if it’s time to call in a professional. So whether you’re dealing with a dishwasher that’s been clogged or won’t start, we’ve covered you.

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