F21 Error Code Whirlpool Washer

Experiencing F21 error on your Whirlpool washer? This code signals drainage issues that demand immediate attention. Inspect the drain hose for damage or blockages. Clean it thoroughly and guarantee a secure connection. Draining problems can arise from a clogged pump; clear any debris obstructing it. Consider flushing with hot water for a thorough clean. Don't overlook the pressure switch; test and replace if needed. Addressing drainage promptly is key to prevent cycle interruptions. Be vigilant with pump inspections, hose maintenance, and use HE detergent. Remember, taking action now can prevent further complications.

Key Takeaways

  • Check drain hose for damage and blockages to ensure proper water flow.
  • Clear clogged drain pump to resolve drainage issues triggering F21 error.
  • Test and replace pressure switch if inaccurate water level readings occur.
  • Address drainage problems promptly to prevent incomplete cycles and pump damage.
  • Verify control board signals for accurate operation; seek professional help for complex issues.

Common Causes of F21 Error Code

Experiencing the F21 error code on a Whirlpool washer typically points to a drainage problem that requires immediate attention. This error often arises from issues with the drain pump, drain hose, or excess suds impeding water flow. A clogged drain pump or hose can restrict water drainage, triggering the F21 code.

Additionally, using non-HE detergent may lead to excessive suds, further exacerbating the problem. Kinked or clogged drain lines can also contribute to the error by hindering proper water flow during the wash cycle.

Regular maintenance, such as ensuring the drain pump and hoses are clear, and using HE detergent can help prevent the recurrence of the F21 error code on your Whirlpool washer.

Checking the Drain Hose

Inspect the back of the washer for the drain hose, checking for any cracks, bends, or blockages that may impede proper water drainage. When examining the drain hose, follow these steps:

  1. Check for damage: Look closely for cracks or any visible signs of damage on the drain hose.
  2. Clear blockages: Remove any debris or blockages obstructing the flow of water by disconnecting the hose and cleaning it thoroughly.
  3. Reconnect securely: After cleaning, reconnect the drain hose securely to guarantee proper water drainage and prevent future issues.

Regularly inspecting the drain hose for damage, cleaning out debris, and securely reconnecting it can help resolve drainage problems and prevent the recurrence of the F21 error code in your Whirlpool washer.

Inspecting the Drain Pump

How can a clogged drain pump impact the performance of your Whirlpool washer?

The drain pump plays an essential role in removing water during the cycle. When obstructed by debris such as lint, it can trigger the F21 error code, leading to drainage issues.

To address this, disassemble the drain pump to locate and remove any blockages. Flushing it with hot water can help clear out debris.

After reassembly, testing the washer is vital to make sure proper functionality.

Verifying the Pressure Switch

To ensure proper water drainage in your Whirlpool washer, confirming the pressure switch is essential for monitoring and signaling water levels accurately within the washer tub. When dealing with an F21 error code and potential draining issues, testing and potentially replacing the pressure switch can be critical.

Here are key points to keep in mind:

  1. Functionality: The pressure switch monitors water levels in the washer tub.
  2. Signaling: It sends signals to the control board based on the water level.
  3. Impact: Incorrect pressure switch readings can lead to draining issues, causing malfunctions and triggering error codes like F21.

Addressing Drainage Issues

Addressing drainage issues in a Whirlpool washer necessitates immediate identification and rectification of potential obstructions to prevent further complications.

When dealing with the F21 error, common culprits include a clogged drain pump, hose blockages, or excessive suds hindering the draining process. These issues can lead to incomplete washing cycles and potential damage to the pump if left unattended.

To tackle this, it's essential to inspect the drain pump for any obstructions, check hoses for clogs, and make sure the use of HE detergent to prevent excessive suds.

Troubleshooting the Control Board

When troubleshooting the control board on a Whirlpool washer, understanding its role in managing wash settings and error codes is essential for identifying potential malfunctions. Here are key points to keep in mind:

  1. Input Signals: Check for proper input signals from various washer components to make sure the control board receives accurate information.
  2. Output Signals: Verify that the control board is sending correct signals to the washer's components for smooth operation.
  3. Malfunction: If error codes like F21 or F02 appear, it could indicate a malfunction in the control board, requiring professional repair.

To diagnose and repair control board issues effectively, it's advisable to seek assistance from appliance repair professionals who have the expertise to handle complex washer problems.

Frequently Asked Questions

How Do I Fix the F21 Error on My Whirlpool Washer?

To fix the F21 error on a Whirlpool washer, troubleshoot by checking for clogs in the drain pump and hoses. Use HE detergent to prevent suds. DIY solutions involve cleaning these parts. Professional help may be needed for complex issues.

Where Is the Drain Filter on a Whirlpool Front Load Washer?

To maintain peak performance and prevent drainage issues in a Whirlpool front load washer, regular drain filter maintenance is essential. Cleaning the filter helps prevent clogs, water drainage problems, and error codes, ensuring smooth operations.

What Is the Code for the Drain Pump on a Whirlpool Washer?

When addressing the code for the drain pump on a Whirlpool washer, common causes include clogs and excessive suds. Troubleshooting involves checking pump blockages, hoses, and lid switch. DIY solutions include proper detergent use. Professional repair or replacement parts may be necessary.

How Do You Clear the Error Code on a Whirlpool Duet Washer?

To clear the error code on a Whirlpool Duet washer, follow these steps: troubleshoot for water drainage issues, check for clogs in the drain pump or hose, guarantee proper detergent use, and reset the error code for DIY maintenance.


To sum up, the F21 error code on a Whirlpool washer is often caused by issues with the drain hose, drain pump, pressure switch, or drainage system.

By checking and addressing these common culprits, you can troubleshoot the problem and get your washer back up and running smoothly.

Remember to consult the user manual or seek professional help if needed.