How to Fix a Whirlpool Dishwasher won’t Drain

Dishwashing is a chore made convenient by modern appliances like Whirlpool dishwashers. However, the frustration kicks in when your reliable dishwasher refuses to drain properly. The inconvenience can be overwhelming, but fear not; we’ve got you covered with practical solutions.

How to Fix a Whirlpool Dishwasher won’t Drain?

If your Whirlpool dishwasher is not draining, there are a few troubleshooting steps you can take to fix the issue. First, check for any blockages in the drain hose or filter. Make sure these are clear of any debris that could be preventing proper drainage. You can also try running a cycle with a dishwasher cleaner to remove any buildup inside the machine that may be causing the problem.

Another potential solution is to reset the dishwasher by turning off the power at the circuit breaker for a few minutes and then turning it back on. This can sometimes reset the system and resolve drainage issues. If these steps do not work, it may be necessary to call a professional repair service to diagnose and fix the problem.

Possible Causes

When your Whirlpool dishwasher refuses to drain, it could be due to various issues. Identifying the root cause is crucial for effective troubleshooting. Let’s delve into the potential culprits.

Clogs Galore

One common culprit behind drainage issues is clogs. Debris, food particles, or soap scum can obstruct the drainage path. Let’s explore DIY methods to tackle this pesky problem.

DIY Troubleshooting

1. Unleash the Plunger Power

Try using a plunger to dislodge stubborn clogs in the drain. It might sound unconventional, but the suction can work wonders in breaking up blockages.

2. Vinegar-Baking Soda Magic

Create a mixture of vinegar and baking soda, pouring it into the dishwasher. Let it sit for a while before running a hot water cycle. This magical concoction can dissolve minor clogs.

Clog Removal Techniques

3. The Mighty Plumber’s Snake

For more persistent clogs, consider using a plumber’s snake. Gently feed it into the drain to break up and remove blockages causing the drainage hiccup.

4. Filter Focus

Don’t forget to inspect and clean the dishwasher filter regularly. A clogged filter can significantly impede drainage. Locate the filter, clean it, and ensure a free flow of water.

Inspecting the Drain Hose

5. No Kinks Allowed

Inspect the drain hose for kinks or twists that might be restricting water flow. Straighten out the hose to ensure a smooth path for drainage.

6. The Hose Check-Up

Remove the drain hose and check for any obstructions. Run water through it to ensure unimpeded flow. This simple step can resolve many drainage issues.

Checking the Dishwasher Filter

7. Filter Maintenance 101

Your dishwasher’s filter plays a crucial role in preventing debris from entering the drain. Regularly clean it to maintain optimal drainage performance.

8. The Pump Predicament

A malfunctioning pump can be a significant cause of drainage problems. Let’s explore how to check and address this issue.

Examining the Pump

9. Pump Inspection Procedure

Access the dishwasher pump and check for any visible damage or debris. If the pump appears faulty, consider replacing it to restore proper drainage.

10. Garbage Disposal Connection

The connection between your dishwasher and garbage disposal can influence drainage. Ensure a secure and proper connection to avoid complications.

Professional Help

11. When DIY Fails

If all else fails, don’t hesitate to seek professional help. Whirlpool’s customer service or a certified technician can provide expert assistance in resolving complex drainage issues.

Preventive Measures

12. Keep It Clean and Tidy

Prevention is better than cure. Adopt some simple habits to keep your dishwasher running smoothly. Proper loading, avoiding excessive detergent, and running hot water before a cycle can make a significant difference.

Common Myths and Misconceptions

13. Dispelling Dishwasher Myths

Let’s debunk some common myths surrounding dishwasher drainage problems. Separating fact from fiction ensures you approach the issue with accurate information.

Environmental Impact

14. Responsible Appliance Ownership

Consider the environmental impact of a malfunctioning dishwasher. Dispose of old parts responsibly and explore recycling options for the appliance.

User Experiences

15. Real Stories, Real Solutions

Read about others’ experiences in overcoming dishwasher drainage challenges. Sometimes, a personal touch can provide the motivation needed to tackle the issue head-on.


In conclusion, a Whirlpool dishwasher that won’t drain doesn’t have to be a nightmare. With these practical tips and a bit of patience, you can restore your dishwasher to its efficient self. Remember, maintaining your dishwasher is key to a hassle-free kitchen.


1. Can I use any type of plunger to unclog my dishwasher?

Yes, a standard sink plunger works well. Ensure a good seal around the drain and plunge gently.

2. How often should I clean my dishwasher filter?

Cleaning the filter every month is advisable to prevent clogs and ensure optimal performance.

3. Is it necessary to hire a professional if DIY methods don’t work?

If DIY troubleshooting doesn’t resolve the issue, seeking professional help is recommended to avoid further damage.

4. Can a clogged dishwasher drain hose damage my appliance?

Yes, a clogged drain hose can lead to water backup, potentially causing damage to the dishwasher and surrounding areas.

5. Are there specific detergents recommended for Whirlpool dishwashers?

Using detergents specifically designed for dishwashers is recommended to prevent residue buildup and drainage issues.

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