this post was submitted on 15 Jan 2024
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I bought an "analog" washing machine (I can't believe I just wrote that) because of simplicity. The more complicated something is, the more difficult it is to repair, and the more potential points of failure there are.
Buy a used older model if you need a machine. Because it's cheaper, because it is more basic in its components, because those parts are probably cheaper to buy and replace yourself if need be, and mainly because someone is selling it at its age because it STILL works. Anything tied to a circuit board with a processor is a time bomb.
You will not get a washing machine without processor, let alone PCB. Processors also hardly ever fail. It is stuff like the voltage conversion which powers the logic side, the actual power switches for the motor, capacitors or simply stuff that corrodes.
Does an old school washer dryer that runs off timer relays / knobs / push buttons really have a CPU? I ask because that's how mine is and I haven't had to look at the controls but they seem dead simple to me. I get there's different cycles but some simple ladder logic should be able to handle that, no? Half the world runs on simple machines like that.
Nope, it's just a timer-drive. cam triggering switches. The physical cam IS the CPU.
We have reached a point in time where there are adults who think everything that runs through multiple steps must have a microcontroller, because only really really old machines* do without.
*For the most part. I bought a brand new whirlpool dryer late last year, and it has a mechanical timer in it.