ACS Minima Won’t Power On | Espresso Aficionados | Page 1

abstract parcel May 16, 2025, 12:22 AM

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I have a 2020 ACS Minima 110V. It’s been having some overheating issues with the service boiler (temperature climbs slowly to 140 and then purges).

This morning however, the machine just won’t turn on. I finally took it apart and started trying to diagnose it and wanted to see if anyone knew what parts do what.

Right off the bat I tried to measure power to this plug, and didn’t get voltage. I see continuity from 2 poles (ground and one of the sides), but the other side has no continuity. Is this just a simple pass through? Am I measuring this correctly?

glass galleonBOT May 17, 2025, 12:35 AM

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neat gazelle May 19, 2025, 6:32 PM

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This looks very much like it should just pass the voltage through. I was gonna suggest that there might be a fuse hiding somewhere (sockets with fuses do exist), but I don't see one on the little circuit diagram either. I'd suggest just swapping this part, shouldn't be too hard to find something that fits.

wind crown May 20, 2025, 5:19 PM

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abstract parcel I have a 2020 ACS Minima 110V. It’s been having some overheating issues with the...

Okay so yeah that’s just a plug with capacitors on that minimize electrical noise

I am a bit unsure if you’re skilled enough with electronics to safely handle suggestions that are being thrown your way. Are you confident in opening this machine and looking further inside with maybe even live power? Mains power is no joke

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If you had overheating issues before I would definitely check if the thermal fuse was triggered (usually resettable)

#ACS Minima Won’t Power On