You can dry in a compressor based fridge, it’s called the “lotus cure method”, but works differently than using the thermoelectric cooler. Here’s one link, or google lotus cure:
https://www.rollitup.org/t/drying-in-a-fridge.1064688/
You probably need to calibrate your dehumidifier if it’s getting crispy at 62 rh. They are not well calibrated out of the box, mine was about 12 rh off when first plugged in. Should be part of your initial setup.
Because it is smaller than the sensor so I could drill a smaller hole, no other reason. Once the hole is drilled and the sensor cable is run you connect it again.
Can you post a pic of your 2 units? I’d like to see how they were put together. You’re the first to complain about this particular problem so just curious how they were set up.
Pinball wizard is one of the top contenders in my next lineup. I keep hearing good things about it, I think your comment sealed the deal. It’s now on deck.