There's no way for me to know if this is your issue, but some manufacturers are notorious for having issues at "unspecified voltage" that can occur during shutdown (sometimes startup) between the time the voltage drops below minimum operating voltage but there's still enough voltage to operate...
I'm new to this group so I apologize in advance if the question I pose is in the wrong spot.
I'm interested in sharing best practices (AKA Best known ways). Are there existing sites where people readily populate articles and writeups on key electronic issues?
For example...
If you're going...