The boiler heat the water to the needed temperature for both the steam wand and portafilter. If your machine isn't heating up, one possible cause is a failed heating element inside the boiler. This guide will show you how to test for this.


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  1. Remove the 6 Phillips #1 screws from the back panel.
    • Remove the 6 Phillips #1 screws from the back panel.

    • Remove the back panel.

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  2. Make sure the machine is turned off and unplugged.
    • Make sure the machine is turned off and unplugged.

    • Set your voltmeter in continuity mode and place the leads on the two 90 degree prongs on the boiler's heating element.

    • It does not matter which lead touches which prong as you're just testing for a break, or "open" in the heating element circuit.'''

    • If the voltmeter shows 0, or "open", then there is an issue with the heating element's continuity and it needs to be replaced.

    • If given a reading, then your heating element is fine.

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    • In the water reservoir, place mixture of de-calcifying agent and water as directed on the product label.

    • Place a cup, to catch fluid, underneath the portafilter.

    • Run Barista, as if making coffee, for the amount of time directed by the de-calcifying product.

      • See the links section of the device page for further directions.

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To reassemble your device, follow these instructions in reverse order.

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Brian McMurray

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Cal Poly, Team 4-42, Regan Winter 2011 Mitglied von Cal Poly, Team 4-42, Regan Winter 2011


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I did this a few months ago and the boiler was full of rusty gunk. This guide sure did help me out.

oguitar200 - Antwort

the same here - it was disgusting... was afraid to have damaged it while cleaning it. tested it yesterday already... just going through all the steps to validate function of the units.

Martin Zeitler -

hi ! we have Starbucks Barisa Milano. some how it didnt want switch on! my husband wanted to have a look but we cant open. do you gave any guidence?

Zorigoo Purev - Antwort

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