What Does F21 Mean on a Whirlpool Washer: Troubleshooting Solutions and Prevention Tips

What Does F21 Mean on a Whirlpool Washer?

F21 on a Whirlpool washer indicates a water draining issue.

This error code typically occurs when there is a clog in the drain pump or drain hose.

Excess suds from using too much detergent can also prevent the washer from properly draining.

It’s important to check for obstructions in the drain pump and hose, as well as the pump itself, to ensure proper water flow.

Additionally, small articles of clothing like socks can get into the drain system and cause blockages.

The lid switch assembly can also contribute to draining problems.

Key Points:

  • F21 on a Whirlpool washer indicates a water draining issue.
  • This error code is commonly caused by a clog in the drain pump or drain hose.
  • Excessive suds from using too much detergent can also prevent proper drainage.
  • Check for obstructions in the drain pump and hose, as well as the pump itself, to ensure proper water flow.
  • Small articles of clothing like socks can cause blockages in the drain system.
  • The lid switch assembly can also contribute to draining problems.

Did You Know?

1. The “F21” error code on a Whirlpool washer typically indicates a drainage issue in the machine. This can be caused by clogged or kinked drain hoses, a faulty drain pump, or even excessive detergent usage.

2. Whirlpool washers are known for their advanced sensor technology, including a load-sensing feature that adjusts the water level and duration of the wash cycle based on the weight of the laundry.

3. Did you know that Whirlpool was originally called the Upton Machine Company when it was founded in 1911? It wasn’t until 1950 that the company changed its name to Whirlpool Corporation.

4. Whirlpool is a global brand that not only manufactures washers but also a wide range of other home appliances, including refrigerators, stoves, dishwashers, and dryers. They have a presence in over 170 countries around the world.

5. In recent years, Whirlpool has been focusing on developing more environmentally friendly appliances. They have embraced energy-efficient designs to reduce water and electricity consumption, helping customers save both money and resources in the long run.

Water Draining Issue

When encountering the F21 error code on your Whirlpool washer, it signifies a water draining issue. This code indicates that the water is not draining correctly from the machine. To resolve this problem and ensure your washer operates efficiently, it is vital to promptly troubleshoot and address the following possible causes:

  • Clogged drain hose: Check if the drain hose is blocked or obstructed, preventing proper water flow. Clear any debris or clogs found.
  • Faulty drain pump: Inspect the drain pump for any damage or malfunction. If necessary, replace the drain pump to restore proper drainage.
  • Obstructed drain filter: Locate and clean the drain filter, which may be clogged with lint, hair, or other debris. This can impede water drainage and cause the error code.
  • Overloaded washer: Ensure that you are not overloading the washer, as excessive laundry can disrupt the water draining process. Reduce the load size if necessary.
  • Drainage system malfunctions: Check for any issues with the plumbing or household drainage system that could affect water flow. Repair or consult a professional if needed.
  • Incorrect installation: Verify that the washer is correctly installed and leveled. Improper installation can lead to drainage difficulties.

Note: If the F21 error code persists even after troubleshooting, it is recommended to contact Whirlpool customer support or a qualified technician for further assistance.

  • Clogged drain hose
  • Faulty drain pump
  • Obstructed drain filter
  • Overloaded washer
  • Drainage system malfunctions
  • Incorrect installation
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Clogged Drain Pump Or Hose

One of the most common causes of a water draining issue in a Whirlpool washer is a clogged drain pump or hose. Over time, debris, lint, and other small objects can accumulate in these areas, obstructing the water flow and preventing proper drainage. It is important to regularly clean the drain pump and hose to avoid these blockages. Inspect the pump and remove any visible obstructions, such as lint or small objects. You can also detach the hose and check for any clogs or kinks. Clearing these blockages will often resolve the F21 error code.

Excess Suds And Spinning Out Water

Using too much detergent can create excessive suds in your washer, which can interfere with the spinning out of water. When the washer detects an excessive amount of suds, it may display the code “Sud” or “Sd” on the control panel.

To resolve this issue, you need to eliminate the excess suds. Here are the steps to follow:

  1. Stop the washer and allow it to drain.
  2. Run a rinse cycle without adding any detergent to remove the remaining suds.
  3. Use the correct amount of detergent recommended by the manufacturer to prevent this problem in the future.

Remember, following these steps will help maintain the efficiency of your washer and prevent any further issues with excessive suds.

“Using too much detergent can create excessive suds in the washer, leading to interference with water drainage and spinning. It’s important to eliminate the excess suds to resolve this issue. Here’s what you can do: stopping the washer, allowing it to drain, running a rinse cycle without detergent, and using the recommended amount of detergent in the future.

“Sud” Or “Sd” Displayed For Excess Suds

If your Whirlpool washer displays the code “Sud” or “Sd”, it is an indication of excessive suds in the wash cycle. This can occur when you use too much detergent or when using a high-sudsing detergent. The washer’s automatic sensors detect the excess suds and trigger this code to prevent potential damage to the machine.

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To resolve this issue, follow these steps:

  • Stop the washer and allow it to drain.
  • Run a rinse cycle without adding any detergent to eliminate the excessive suds.

Remember, it is important to use the correct amount of detergent to prevent this problem from recurring.

Excessive suds in the wash cycle of a Whirlpool washer can cause the code “Sud” or “Sd” to appear. Follow the steps above to resolve the issue.

Obstructions In The Drain Pump

Apart from excessive suds or a clogged drain pump, obstructions within the drain pump itself can also cause draining issues. Small objects like coins, buttons, or clothing might find their way into the drain system and lead to blockages. Therefore, it is essential to thoroughly check the drain pump for any obstructions and remove them to restore proper drainage. When inspecting the drain pump, remember to exercise caution as it may have sharp edges or moving parts. Clearing these obstructions within the drain pump should help address the F21 error code.

Noise And Replacement Of Drain Pump

Even after clearing the drain pump of obstructions, noisy operation during the drain cycle can indicate a worn out or damaged pump that needs to be replaced. A malfunctioning drain pump can contribute to water draining issues and the display of the F21 error code. If cleaning the drain pump does not solve the noise problem, it is recommended to contact a professional technician to diagnose and replace the faulty pump if necessary. Ensuring a properly functioning drain pump is crucial for efficient water drainage in your Whirlpool washer.

The F21 error code on a Whirlpool washer indicates a water draining issue. Possible causes include a clogged drain pump or hose, excess suds from using too much detergent, obstructions in the drain pump, and a worn-out drain pump. By promptly troubleshooting and addressing these issues, you can ensure your washer works efficiently and prevent the recurrence of the F21 error code. Regular maintenance, proper detergent usage, and periodic inspection of the drain pump will help prevent future draining problems in your Whirlpool washer.


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Frequently Asked Questions

How do I fix the F21 error on my Whirlpool washer?

To fix the F21 error on your Whirlpool washer, start by checking if the drain hose is kinked, frozen, or clogged. If any of these issues are present, straighten the hose, thaw it if frozen, or clear any obstructions. Additionally, ensure that the drain hose is not more than 96″ (2.4 m) above the floor, as this can also lead to the error. Once you have verified and resolved these potential causes, plug in the washer, re-select the cycle, and press START. If the problem persists, it is advisable to contact a service technician for further assistance.

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Why is my Whirlpool washer blinking F21?

If your Whirlpool washer is blinking F21, it could indicate several possible reasons. One possibility is that the drain pump may be experiencing a blockage or is faulty, and therefore needs to be replaced. Another potential cause could be a blocked or clogged drain filter on the drain pump. Lastly, the drain hose might be obstructed or bent, causing the error code to appear. It is important to diagnose and address these issues promptly to ensure the proper functioning of your washer.

What causes F21 error code?

The F21 error code is typically caused by a clogged drain pump or drain hose in a Whirlpool washer. When the drain pump or hose becomes obstructed, it hinders the water from being properly drained out of the machine. This can lead to drainage issues and trigger the F21 error code. It is important to regularly check and clean the drain pump and hose to prevent this code from appearing.

What are the possible reasons for the error code F21 displayed on a Whirlpool washer?

The F21 error code on a Whirlpool washer typically indicates a draining issue. There are several possible reasons for this error code to be displayed.

One possible reason is a clogged drain hose or pump. If the drain hose is kinked or blocked, it can prevent the washer from draining properly. Similarly, if the pump is clogged with debris, it can hinder the draining process.

Another reason could be a malfunctioning pump or pressure switch. If the pump is not working properly, it will not be able to drain the water effectively. Similarly, if the pressure switch fails to detect the water level correctly, it may cause the washer to stop draining.

To troubleshoot the F21 error code, it is recommended to check and clear any blockages in the drain hose or pump. If the issue persists, it may be necessary to seek professional assistance to diagnose and fix the problem.

References: 1, 2, 3, 4

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