Since the ultrasonic is dead*, I'll need to scrub all this by hand.
*Wire melted off a transducer and blew a fuse. I was able to resolder the wire, but I'll need to buy an inline fuse and replace it on the board it's on.
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*Wire melted off a transducer and blew a fuse. I was able to resolder the wire, but I'll need to buy an inline fuse and replace it on the board it's on.