I would clean the hose and it may work for a bit.
F21 error code kenmore washer.
Check the tub for excessive suds.
Make sure that it is installed properly per the instructions in your owner s manual.
If you see this condition then i recommend that you drastically cut back on the amount of he high efficiency detergent that you are using in the washer.
An improperly installed drain hose can prevent the washer from draining properly.
Check for excessive suds in the washer tub.
The causes of the error tips on how to fix the breakage of the washer.
Excessive suds can prevent the washer from draining properly and will result in the f21 code.
Detailed instructions on how to fix the error code f21 in the kenmore washer.
Followed the troubleshooting guide above.
I was so sick of my washer i always got the f20 and f22 message.
Hope this post saves someone some time money.
No hose kinks or anything wrong with the drain lines.
I finally took the drain lines all off from the drain pump up to the plastic elbow near the top where it exited the washer as well as the next line from that same elbow to.
The f21 code on many kenmore elite front load washers indicates a long drain problem.
Check the drain hose for kinks and clogs.
Found lint debris in the filter.
Oh man this is a great fix.