I have an HS110 (for my houses CCTV) is never switched off & 2 nights in a row it's switched itself off at 11pm, I also have a HS 100 that's on my electric garage door , this is also never turned off.

I've 4 of these plugs & 2 have stopped working with the schedule. The 2 that don't work can be turned on/off via the app & Amazon echo. I've factory reset both & gone through the set up process but th