We solved the 'DC' error code with a related fix to the washer suspension rods. Thanks to the community for pointing us to the source of the problem, and to the excellent youtube video on how to replace these. However, we decided to try just adding new lubricant to the suspension rods, before ordering new ones. We bought good lithium grease, followed the video's instructions on removing the suspension rods, greased up the plastic connections, and put the rods back in. So far, we've washed without the DC error. I suspect, eventually, we'll have to do the full replace, but, at least, we've delayed the cost.
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