a) The 953 works.
b) Pretty sure earlear version of the DTH failed similarly.
Here are a few more thoughts on this slider business. As you’ll recall when I first mentioned it, I’m not convinced this is a problem with your DTH. A reason is that I’ve seen it before in another device. Please take a moment to look at this:
If you go down to Post #8, @ogiewon gives me some code that fixed that problem. Any chance that would help with the PE653 device handler?