Hello, I also have a WA5451ANWXAA02, and have the problem similar to that described by @ user4EbljPJq4N. In amplification, I had the shaking/top separation problem--using either the Towel or Bedding settings, the machine shook like crazy, and the front clips would occasionally break free. Thankfully, however, the back mounting panel mounting screws always prevented the top from flying off. The machine always struggled to successfully get through loads programmed with a High spin speed--we have been very familiar with the "dc" unbalance code since we've had the machine.
We had the recall work done to install the uprated screw/bolts on the top, and received the sticker. Even with that (essentially removing Towel and Bedding), we still get code "dc" on about 80% of loads (with the attendant fill "do loop"). The machine is pretty close to level--I say "pretty close" because the machine typically "walks" during the spin cycle, ending up in a different place than it started.
I suspect that the suspension rods holding the drum have slackened due to cycling wear, resulting in the high proportion of code "dc" events. But I'm reluctant to simply replace the rods, because they seem more like symptom than cause. The fundamental problem seems like this machine shakes like crazy (and always has).
Any thoughts on how to address this would be highly appreciated. May salvage my relationships with both Samsung and Consumer Reports (which recommended I buy this machine in the first place). Thanks.
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