How to Fix Whirlpool Washer Error Code F21? Step-by-Step Guide
by A N Rahul | Updated Apr 21, 2023
What is F21 Error Code Whirlpool Washer?
The F21 error code means that your washer is experiencing a water draining issue, which could be caused by a clogged drain pump or drain hose. Don't let this problem linger, as it can lead to even bigger issues down the road, such as mold growth or even water damage to your home.
Thankfully, there are steps you can take to fix this issue. First, make sure to unplug your washer and turn off the water supply before attempting any repairs. Then, check the drain pump and drain hose for any obstructions. Clear out any debris or buildup that may be causing the clog.
If the problem persists, it may be time to call in a professional to take a closer look at your washer. Ignoring the F21 error code can lead to further damage and more costly repairs in the future. Don't let this issue disrupt your daily routine any longer.
How to Fix Whirlpool Washer Error Code F21?
Error code F21 in a washing machine indicates a draining problem. It could be due to a clogged or obstructed drain hose, a defective drain pump or a clogged drain filter. Here are some steps to fix the error code F21:
Perform a Reset:
Press Pause/Cancel two times or disconnect the power to the washer for 1 minute. Reconnect the power and check if the error code has cleared.
Check the Drain Hose:
Check the drain hose for kinks, bends, or obstructions by disconnecting the power and water supply to the washer. Remove the hose from the washer and check for clogs with a drain snake tool, or wash the hose with a mixture of hot water, white vinegar, and baking soda. Make sure the hose is connected properly and expels water sufficiently.
To Check the Drain Hose:
Ensure the blanking cap is removed if the washer is recently installed and connected to a spigot.
Check the hose is connected properly.
Make sure there are no bends or kinks in the hose.
Confirm the expelled water from the drain hose can drain adequately.
Check that the drain hose outlet is not submerged in water.
To Remove and Unclog the Drain Hose:
Turn off the water supply to the washer.
Disconnect the drain hose from the washer (pliers may be needed to release the clamps).
Unblock the drain hose with a drain snake tool or wash the hose with hot water, white vinegar, and baking soda mixture.
If the drain hose is defective and cannot be fixed, replace it. It is best to replace the hose if it has holes or is worn rather than patch it up.
Check the Drain Pump and Drain Filter:
If the drain hose is not obstructed, check the drain pump and filter for clogs or damage. Remove the access panel, locate the drain filter, and clear any debris or lint. Check the drain pump for damage to the impeller or obstruction. If the pump is electrically faulty, test the motor with a multimeter.
Turn off the water supply to the washer. If necessary, disconnect the water hoses to access the drain pump and filter.
Remove the access panel from the washer and place a container to catch any water that may leak out (2-3 gallons).
Turn the knob on the drain pump counterclockwise to unscrew it.
Check for the filter on the back of the knob.
Remove any debris or lint from the filter.
Inspect the drain pump for damage to the impeller or any obstructions.
Ensure the wiring harness on the drain pump is secure and free of visible damage to the wiring.
Check that the water drain lines are not blocked or kinked and are correctly attached.
Check the Pressure Switch:
Check the pressure switch or water level control, which determines how much water is in the tub. The location of the switch can vary, so refer to the washer's manual. Ensure that it is not causing the issue.
Set the multimeter to the RX1 or X1 scale.
Insert one probe into the far left hole of the pressure switch and the other probe into the third hole from the left. Ensure that the reading is zero.
Test the “suds detect” function of the pressure switch by inserting one probe into the far right hole and the other probe into the hole next to it. Verify that the ohmmeter reads zero.
To test the rinse, insert one probe into the second hole from the left and the other probe into the third hole from the left. The reading should be zero.
Causes of Whirlpool Washer Error Code F21
Is the F21 error code causing you trouble with your washing machine? It's natural to wonder what causes this issue. The most common culprit behind the F21 error code is a blocked or faulty drain pump. This can result in the washer taking too long to drain the water out of the tub. Another cause could be a clogged drain filter on the pump, or a blocked or bent drain hose.
However, there are also other less common causes to be aware of. For example, a faulty pressure switch could be causing a communication error between the drain pump and the main control board. The drain pump wiring harness could also be damaged, or there might be a communication problem with the main control board. Finally, it's possible that the pipe the drain hose drains into is blocked or clogged.
Identifying the cause of the F21 error code can be a challenge, but it's an important step in fixing the issue. By understanding the potential causes, you can troubleshoot the problem more effectively and make the necessary repairs.
About Whirlpool
Whirlpool Corporation is an American multinational manufacturer and marketer of home appliances, headquartered in Benton Charter Township, Michigan. The company was founded in 1911 as Upton Machine Company and was renamed Whirlpool Corporation in 1950. Whirlpool is the largest home appliance maker in the world, with approximately $19 billion in annual sales and 77,000 employees.
The company's products include refrigerators, freezers, dishwashers, washing machines, dryers, ovens, and ranges, among others. Whirlpool operates in more than 170 countries and has manufacturing facilities in North America, Europe, and Asia.
The company's brands include Whirlpool, Maytag, KitchenAid, JennAir, Amana, and Consul, among others. Whirlpool is committed to sustainability and has set ambitious goals to reduce its carbon footprint, increase the use of renewable energy, and reduce waste and water usage in its operations.
How to Fix Whirlpool Washer Error Code F21 - FAQs
The F21 error code indicates a water draining problem in a Whirlpool washing machine.
The F21 error code in a Whirlpool washer is commonly caused by a clogged or obstructed drain hose, a defective drain pump, or a clogged drain filter.
Yes, you can fix the F21 error code yourself by following the steps mentioned in the article, such as performing a reset, checking the drain hose, drain pump and filter, and pressure switch.
If the F21 error code persists even after following the steps mentioned in the article, it is recommended to call in a professional to take a closer look at the washer to prevent further damage and costly repairs.