Shoutout to the tech support guy who'd never opened a machine
Just got off a call with a manufacturer's help line for a weird washer error. The guy on the phone was reading from a script and kept telling me to reset things I already checked. He insisted the main board was bad, but his only reason was 'that's what the code chart says.' It hit me then that the people writing the guides often don't do the job. I swapped a ten cent door latch and it fixed the whole thing. Makes you wonder how many parts get thrown out for no real reason.