I really dislike electric devices, I don’t understand them really well.
At least it wasn’t a tech issue, those just piss me off.
Fortunately, your issue was almost "mechanical" in nature, and resolvable without wizardry.
The ones that irritate me are those where a board goes stupid on you. You can't connect to the boards in household appliances and monitor, let alone change the program, and they are very "stupid" to begin with. I have a clothes dryer that, because of a firmware issue, will launch into full panic half-way through the week while sitting idle. Beeping, blinking, flashing,.... A watchdog timer times out, looking for/expecting some kind of signal to tell it that everything is hunky-dory, but that never happens. I've had to run it in test-mode for several weeks in a row until the fault will clear, because the way to clear the fault doesn't actually work. Once it clears, I unplug it after I do laundry on Sunday and it sleeps peacefully the rest of the week. I have a feeling this one won't last the forty-plus years the old Norge did that I started out with at t his house.
Glad you sorted it out though. The way things are made today can make an otherwise intelligent and resourceful being feel helpless. I built my PID unit from stuff I dug out of the trash at work, so no mysteries to wonder about. It was new stuff, but obsolete and no longer under warranty, so I made them throw it out instead of selling it to a customer. Later, it hit me - why do I care about a warranty if it's FREE? So, I went dumpster-diving.