Question about Nuova Simonelli Microbar Espresso Machine

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It's a Microbar and everything was working fine until recently. Now, each time I turn the machine on it goes through it's normal procedures and tells me "Heating please wait", then it suddenly makes a fairly loud bang, sparks and trips out. It DOES NOT trip the internal fuse, but does trip the house circuit breaker (thankfully). It is happening every time I turn it on now.

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  • John Hallsworth Apr 02, 2011

    Thanks for your reply. You know, that makes sense because it would happen at about the time steam is being produced. I'll take a closer look into the "guts" of the system to see if there are any leakages. Thanks again.



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It looks like it may be boiling over onto some electrical circuitry and causing the house earth leakage to trip out. Check that a pipe has not been displaced or cracked, a boiler has not cracked or split and is allowing steam or water onto the wiring. Ensure that the appliance is unplugged before you open anything to look inside.

Posted on Apr 02, 2011

  • Hans Pearson
    Hans Pearson Apr 02, 2011

    It is a pleasure. Please rate this solution, thank you.



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