Question about Saeco Vienna De Luxe Espresso Machine

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Vienna Deluxe Coffee Machine - Water doesnt heat up

We have had the machine for about two years and performed fairly regular maintenance (descaling, cleaning). Recently the machine has been left on longer than usual by a few unruly officemates. Not long after, it stopped dispensing good coffee, instead emitting weak, cold watery coffee.

It doesnt seem like a clog, since the AMOUNT of water dispensed is accurate and there are no visible problems with the grind unit or the packing unit and no visible leaking of water. We tried priming it by dispensing water from the pannarello, which eventually became hot. But no luck on the coffee side, the water warmed up only gradually and never became hot, just lukewarm. Furthermore, whereas in the past the middle LED (indicating the water had heated) would flash for several seconds (taking longer to flash when descaling was necessary) now just turns on immediately.

To my mind it appears as though the instrument believes the water is hot enough. I suspect the problem is the temp sensor or the chip that interprets that sensor. Has anyone tried to fix these?

Or is there some other probable cause?

To recap: cold watery coffee is resulting. No settings have been changed, all the conditions (beans, water, etc) are identical to before.

Posted by on

  • Anonymous Jan 26, 2008

    Had the machine for 2 years, never makes coffee hot enough...

  • sanj123 Nov 14, 2008

    I have the same machine it is two days old..and espresso comes out



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  • 487 Answers

Indeed the heat sensor can be busted. Not a difficlult fix but time consuming as you need to get the whole machine appart.
Go to the saeco site and look in their parts list of your machine. It tels you the part number for the sensor. and you can order it anywhere.
Your boiler can be damaged too.
Kind regards eric

Posted on Apr 16, 2008


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