The F21 code on a Whirlpool washer indicates a drainage issue, often caused by a clogged drain pump or hose. Fixing this problem yourself can save time and money, allowing you to restore your washer’s functionality without professional help.
Identify Symptoms of F21 Code
Understanding the symptoms associated with the F21 code is crucial for effective troubleshooting. Typically, you will notice that the washer stops mid-cycle, and the display shows the error code. Additionally, you may hear unusual noises or experience water pooling around the washer.
| Symptom | Primary Suspect | Difficulty (1-5) |
|---|---|---|
| Washer stops mid-cycle | Clogged drain pump | 3 |
| Water pooling | Blocked drain hose | 2 |
| Unusual noises | Faulty pump motor | 4 |
Essential Tools for Whirlpool F21 Repair
When tackling the F21 error code on your Whirlpool washer, having the right tools on hand is crucial for an efficient repair process. This section outlines the essential tools you will need to diagnose and fix the issue, empowering you to handle the repair with confidence and save on service costs.
Before starting the repair process, gather the necessary tools and supplies. Having everything on hand will streamline your efforts and minimize downtime.
Screwdriver set for removing panels
Bucket to catch any water
Towels for cleanup
Flashlight to inspect hard-to-see areas
Replacement parts like a new drain pump or hose if needed
Unplugging and Water Supply Shutdown Steps
When troubleshooting the F21 error code on your Whirlpool washer, the first critical steps involve ensuring safety by unplugging the machine and shutting off the water supply. These actions not only protect you from electrical hazards but also prevent any potential flooding as you work through the repair process. Understanding these initial steps is essential for effective troubleshooting.
Preparation is key to a successful repair. Begin by unplugging the washer to ensure safety. Next, turn off the water supply to prevent any leaks during the process.
Remove the front panel using a screwdriver.
Locate the drain pump and hose.
Inspect for clogs or damage.
Always ensure the washer is unplugged before working on it.
Whirlpool Washer F21 Code Drainage Repair Steps
Encountering the F21 error code on your Whirlpool washer can be frustrating, but addressing this drainage issue doesn’t have to be overwhelming. This guide outlines clear, step-by-step instructions to help you diagnose and resolve the problem effectively, allowing you to restore your washer’s functionality without the need for professional assistance.
Follow these steps to fix the F21 code effectively. This process focuses on clearing clogs and replacing faulty components.
Check the drain hose for kinks or blockages. Remove any debris.
Disconnect the drain pump from the washer. Use a bucket to catch any residual water.
Inspect the pump for clogs. Clean it thoroughly.
Test the pump motor by plugging it back in. If it does not run, replace it.
Reattach the drain hose and pump securely.
Plug in the washer and run a short cycle to test for issues.
Whirlpool Washer F21 Code Troubleshooting Steps
Encountering the F21 error code on your Whirlpool washer can be frustrating, but understanding how to troubleshoot this issue can save you time and money. This section provides clear, step-by-step instructions to help you identify and resolve the problem effectively, ensuring your washer runs smoothly again.
After completing the repair, it’s essential to troubleshoot any lingering problems. If the F21 code reappears, consider the following:
Inspect the drain filter for blockages.
Check the wiring to the pump for damage.
Examine the control board for errors.
Whirlpool Washer Maintenance to Avoid F21 Code
Proper maintenance of your Whirlpool washer is essential to prevent the F21 error code, which indicates a drainage issue. By following a few straightforward maintenance tips, you can ensure your appliance operates efficiently and avoid costly repairs. This section will guide you through effective practices to keep your washer in top condition.
Regular maintenance can prevent the F21 code from reappearing. Schedule routine checks for clogs and ensure that the washer is level.
Clean the drain filter every few months.
Inspect the drain hose for wear and tear.
Run a cleaning cycle with washer cleaner periodically.
Whirlpool Washer F21 Code Professional Help
If you’ve tried troubleshooting the F21 error code on your Whirlpool washer and still face issues, it may be time to seek professional assistance. This section will guide you through the signs that indicate when it’s best to call in an expert, ensuring your appliance gets the attention it needs for a proper fix.
If you have followed all the steps and the F21 code persists, it may be time to consult a professional. Persistent drainage issues could indicate a more complex problem with the washer’s control board or internal components.
Do not hesitate to seek help if you feel uncomfortable performing repairs.

Hey, I’m Jake. I focus on cooling systems at Appliance Mastery, like fridges, freezers, and air conditioners.
I’ve worked in appliance repair for more than ten years and I’m certified through NASTeC. I’ve seen just about every fridge issue you can imagine.
My goal is to help you fix problems without stress. Whether it’s a freezer that won’t cool or an AC that keeps beeping, I’m here to walk you through it.