Question about Washing Machines
And, the drain motor works-pushes water out of the hose. the machine is empty of water, blew out with air gun but STILL comes back with a f21 error.
I am confused. there is NO draining occuring because the drain area is empty. I emptied the filter-full of ****- took the hose off the drain and blew the line clear, put it back together, still the same issue.
the pump blades seem to have some play side to side and in and out on the shaft. I don't know how tight this impeller is supposed to be, could this be the issue?
is there a sensor in the drum area giving a false reading? is the ccu bad?
Try unplugging the washer for at least 30 minutes to reset the CCU. In some cases this will clear any minor glitches that can be generating erroneous error codes. If it does not clear, you more than likely have a component failure.
Now...it does not take much to damage these drain pumps. If anything has been left in the pump reservoir for a significant period of time, the drain pump motor and/or impeller may have been damaged. The result: a drain pump that "appears" to be running, but may not actually be pumping anything. I would recommend replacing the pump if it is not draining any longer.
Another thing to try before we assume the pump is dead is to check the drain line that runs from the bottom of the wash tub to the inlet side of the pump. I have found small items such as socks and wash cloths that have managed to work their way into this hose and clog the line. If you have already checked this area, then proceed with a pump replacement.
Although a CCU could possibly cause erroneous error codes, the likelihood that it is causing this error is not common. I doubt that you have a CCU problem, and it is a more expensive option than the drain pump.
I hope this answers your questions. Let me know if you require further assistance.
Posted on Nov 10, 2008
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