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spog
Aug 7, 2004

It's your own bloody fault.
Long shot: does anyone know about the internal mechanics of an espresso machine?



This is the boiler from my bean to cup machine (Philips Saeco Minuto ) and I think it is blocked. When I start the machine, the water priming struggles and eventually errors out.

I've run the machine uncovered and there is water pressure to the boiler, but nothing comes out.

I need someone to confirm that it is supposed to be free-flowing when disconnected- i.e. if I blow into the inlet, my air will come out of outlet.

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spog
Aug 7, 2004

It's your own bloody fault.

Scaramouche posted:

Can't help with the air flow process but that's a bog standard Saeco boiler that can be had quite cheap:
https://encompass.com/item/9702221/Saeco/996530007586/Slim_Tub.boiler_1300W_120V_Assy.

Priming can be the pump, even if it engages it might not be engaging hard enough. Oddly the pump is more expensive to replace anyway:
https://encompass.com/item/9702281/Saeco/996530007754/Ulka_Pump_Eap5_s_120V-60hz

Blockage in the boiler in my experience (not a lot) is because either scale built up and got crazy, or a heating element blew and spewed its guts all over. How old is it, and how bad is your water? And have you been descaling?

Thanks.

I am in the UK, so I guess I have to find a 220v version, but at least I know it is a standard part, so that helps.

I live in an extremely hard water area that kills kitchen stuff and I do descale when the machine says it should, but if I am honest, I should probably have done it more, given just how hard it is.
Machine is 3 years old. It is on its second boiler (it was replaced when I had warranty claim on the temperature sensor)

The pump seems to be working okay: it makes the same sound as it always has, I've opened it up and it was surprisingly clean.
When I test ran it without the metal hose clips on, the pressure was sufficient to blow it off the pump connector and blind me.

I've tried pushing a thin wire round the boiler and it seems to go a hell of a long way in, but not all the way out the other side. I've tried soaking it in descaling fluid.

If there is a blockage, it seems to be in a single area inside the boiler. I can't take it apart to look at (like other boilers), but I am loathe to swap it out without understanding if it is really blocked, or there is supposed to be a natural restriction.

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