Detailed instructions on how to fix the error code f21 in the kenmore washer.
F21 error code kenmore washer.
No hose kinks or anything wrong with the drain lines.
I had the same problem still getting f21 sud codes even after changing the pressure switch and the drain pump.
Oh man this is a great fix.
Found lint debris in the filter.
I was so sick of my washer i always got the f20 and f22 message.
Check the tub for excessive suds.
The f21 code on many kenmore elite front load washers indicates a long drain problem.
Followed the troubleshooting guide above.
Had sporadic f21 code approx every 3 4 washes.
Make sure that it is installed properly per the instructions in your owner s manual.
Excessive suds can prevent the washer from draining properly and will result in the f21 code.
This can be caused by excessive suds or a restriction in the drain system.
The causes of the error tips on how to fix the breakage of the washer.
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.
Check for excessive suds in the washer tub.
Check the drain hose for kinks and clogs.
Hope this post saves someone some time money.