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How can I fix my Kenmore washer that is giving an F20 error?

Alton Alexander
By Alton AlexanderUpdated on June 4th, 2022

The F20 error code on a Kenmore washer indicates that the washer is not draining properly. This can be caused by a clogged drain, a blockage in the drain hose, or a problem with the pump. If the washer is not draining properly, the clothes will not get clean and the washer will eventually overflow.

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1. Check the water inlet valve to make sure it is not clogged or frozen

  1. Open the water inlet valve by turning it clockwise.
  2. If the water is clear, the valve is not clogged or frozen. Close the valve and test it again in a few minutes.
  3. If the water is cloudy or has ice, the valve is clogged or frozen. Turn off the water supply to the washer and remove the valve. Clean the valve with a damp cloth and replace it. Turn on the water supply to the washer and test it.

2. Clean the lint filter

  1. Open the washer and remove the top panel.
  2. Locate the lint filter and remove it.
  3. Clean the filter with a vacuum cleaner and a brush.
  4. Replace the filter and close the washer.

3. Clean the washer tub

Step 1: Turn off the power to the washer. Step 2: Open the front panel of the washer. Step 3: Remove the four screws that hold the washer tub in place. Step 4: Lift the washer tub out of the washer. Step 5: Remove the soap dispenser and the water flow restrictor from the washer tub. Step 6: Remove the grime and gunk from the washer tub using a brush or a vacuum cleaner. Step 7: Replace the soap dispenser and the water flow restrictor. Step 8: Replace the screws that hold the washer tub in place. Step 9: Turn on the power to the washer and reopen the front panel.

4. Check the drain hose for clogs

  1. Turn the washer on and off several times to clear any debris from the drain hose.
  2. If the clogs are located near the top of the drain hose, use a plunger to suction onto the clog and pull.
  3. If the clogs are located near the bottom of the drain hose, use a plunger to suction onto the clog and pull.
  4. If the clogs are located in the drain hose itself, use a plunger to suction onto the clog and push.
  5. If the clogs are located in the washer drain, use a snake to suction onto the clog and pull.
  6. If the clogs are located in the water line, use a plunger to suction onto the clog and push.
  7. Turn off the water supply to the washer and use a wrench to loosen the drain hose clamp.
  8. Remove the drain hose from the washer.
  9. Clean the clog with a plunger and a hose.
  10. Install the drain hose clamp and tighten the bolt.

5. Replace the water inlet valve

  1. Disconnect water supply to the washer
  2. Remove the front panel by removing the screws that hold it in place
  3. Remove the water inlet valve by removing the screws that hold it in place
  4. Locate the new water inlet valve and replace the screws that hold it in place

If you didn't find success with an option above, then try:

  1. Replace the washer tub.
  2. Replace the drain hose.