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Solve the riddle of the undrained whirlpool dishwasher: expert insights

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er,...

What To Know

  • The air gap is a small device installed on the countertop or sink to prevent water from flowing back into the dishwasher.
  • If your kitchen sink is connected to a garbage disposal, it’s possible that the disposal is clogged, preventing water from draining from the dishwasher.
  • The check valve is a small device located in the drain line that prevents water from flowing back into the dishwasher.

Your trusty Whirlpool dishwasher, once a reliable kitchen companion, has suddenly gone on strike, leaving you with a sink full of dirty dishes and a frustrating question: why doesn’t my Whirlpool dishwasher drain? This common problem can stem from various causes, but fear not! This comprehensive guide will help you diagnose and resolve the issue, restoring your dishwasher to its pristine draining performance.

Clogged Drain Hose

The drain hose is the pathway for water to exit the dishwasher. If it becomes clogged with food debris, grease, or other particles, it can prevent water from draining properly. Inspect the drain hose for any visible blockages, such as kinks or bends.

Faulty Drain Pump

The drain pump is responsible for pumping water out of the dishwasher. If it fails, water will accumulate in the dishwasher and not drain. Check if the drain pump is humming or vibrating when the dishwasher is running. If it’s not making any noise, it may be faulty.

Blockage in the Air Gap

The air gap is a small device installed on the countertop or sink to prevent water from flowing back into the dishwasher. If the air gap becomes clogged with food particles or soap residue, it can create a vacuum that prevents water from draining. Clean the air gap by removing the cap and using a toothpick or small brush to remove any debris.

Kinked or Crushed Drain Line

The drain line is the pipe that connects the dishwasher to the drainpipe. If the drain line is kinked or crushed, it can restrict water flow and cause drainage problems. Inspect the drain line for any damage or bends that could be blocking the flow.

Clogged Garbage Disposal

If your kitchen sink is connected to a garbage disposal, it’s possible that the disposal is clogged, preventing water from draining from the dishwasher. Run the garbage disposal with hot water and dish soap to clear any debris.

Faulty Check Valve

The check valve is a small device located in the drain line that prevents water from flowing back into the dishwasher. If the check valve fails, water can leak back into the dishwasher, creating drainage problems. Inspect the check valve for any damage or debris that could be preventing it from functioning properly.

Resetting the Dishwasher

Sometimes, a simple reset can resolve minor drainage issues. Unplug the dishwasher from the power outlet and wait for a few minutes. Then, plug it back in and start a rinse cycle. This can reset the dishwasher’s control system and potentially fix the drainage problem.

In a nutshell: Troubleshooting Success

By following these troubleshooting steps, you can diagnose and resolve the issue of why your Whirlpool dishwasher doesn’t drain. Remember, regular maintenance, such as cleaning the dishwasher filter and running a vinegar rinse cycle, can help prevent future drainage problems. If you’re still experiencing drainage issues after trying these steps, it’s recommended to contact a qualified appliance repair technician for further assistance.

Frequently Asked Questions

Q: Can I use a chemical drain cleaner to unclog my Whirlpool dishwasher?

A: It’s not recommended to use chemical drain cleaners in your dishwasher as they can damage the internal components.

Q: How often should I clean the dishwasher filter?

A: It’s recommended to clean the dishwasher filter after every few washes to prevent debris from accumulating and causing drainage problems.

Q: Can I replace the drain pump myself?

A: Replacing the drain pump is a more complex repair that requires some technical skills. It’s best to contact a qualified appliance repair technician for this task.

Q: What is the average cost to repair a Whirlpool dishwasher that doesn’t drain?

A: The cost to repair a Whirlpool dishwasher that doesn’t drain can vary depending on the cause of the problem. However, on average, it can range from $100 to $300.

Q: How can I prevent future drainage problems with my Whirlpool dishwasher?

A: Regularly clean the dishwasher filter, run a vinegar rinse cycle every few months, and avoid putting large food particles or grease in the dishwasher.

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Rob Sanders

Rob is a seasoned home improvement writer with over 15 years of experience researching and recommending products for the home. Prior to starting Nurturing Homeaid, he wrote extensively for This Old House magazine and has been featured as a home expert on several TV and radio programs. An avid DIY-er, Rob takes pride in testing out the latest tools and gadgets to see how they can make home projects easier. When it comes to heating systems, he's evaluated over 50 different furnace and boiler models over the years. Rob founded Nurturing Homeaid with his business partner Jim in 2020 to provide homeowners with genuine product recommendations they can trust. In his free time, Rob enjoys remodeling old homes with his family and traveling to visit architectural landmarks across the country. He holds a bachelor's degree in Journalism from Syracuse University.
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