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Bryan, Home Appliance Technician
Category: Appliance
Satisfied Customers: 12156
Experience:  15 yrs. experience as a certified appliance technician.
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Whirlpool duet washer is displaying fault code F-21

Resolved Question:

Whirlpool duet washer is displaying fault code F-21
Submitted: 6 years ago.
Category: Appliance
Expert:  Bryan replied 6 years ago.


If the drain time exceeds 8 minutes the water valves turn off.


¦ After 4 minutes the "Sd" error will be displayed, then

4 minutes later the "F/21" error code will be displayed.

¦ Press PAUSE/CANCEL two times to clear the display.


Possible Causes/Procedure

1. Check the drain hose and make sure it is not plugged or


2. Unplug washer or disconnect power.

3. Check the electrical connections at the pump and make sure

the pump is running.

4. Check the drain pump filter for foreign objects.

5. Plug in washer or reconnect power.

6. If the above does not correct the problem, go to step 7.

7. Unplug washer or disconnect power.

8. Replace the pump.


you need to remove the panel under the door(three screws underneath almost on the floor) and remove the coin catch and clean it out , this should take care of your problem, thanks Bryan

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