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Thread: Sanremo Treviso (Tanked version) - Turns on but no pressure or heat

  1. #1
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    Angry Sanremo Treviso (Tanked version) - Turns on but no pressure or heat

    Hi all,

    I've recently acquired an almost "brand new" Sanremo Treviso HX Machine (E61 Group head). The previous owner states he won it in a competition and had turned it on and used it once. It has now been stored for 6 years in its original packaging without being turned on.

    The machine arrived today and I immediately filled the tank and switched on the machine in excitement (so eager to upgrade from my Silvia).

    As I flick on the switch, the machine rumbles very loudly (too loud - my Dad's Quickmill Anita is far, far more quiet). After about a minute or two, the machine's rumbling is about half its original volume and this continues for another minute or so. The rumbling stops. I wait and wait but the machine fails to heat and the pressure gauge remains at 0.

    I try and raise the lever to release water from the group head - it makes that original, deafening sound it made when I initially turn it on - NO water comes out.

    I check the tank, no water has been drawn from the tank at all. It is as full as it originally was.

    The hot water tap and steam wand also do not release any water.


    ANY advice is welcome - I am in total disbelief the machine isn't working.... Thanks in advance.

  2. #2
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    I've worked out that (seems stupid I didn't before...) that the pump isn't pulling any water at all. The pump is a standard ULKA EP5 which I think is common in many E61 Machines.

    So what I'm having trouble with now: The pump is vibrating like mad for about 2 minutes then easing off - before eventually stopping all together. What could be causing this?

    Could the pump be blocked by scale? Could something else be occuring??

    Once again I appreciate any help in advance!

  3. #3
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    Okay so the pump definitely works.... I confirmed this by disconnecting it from the solenoid and allowing it to pump from the tank into an empty container. I also took apart the pump and gave it a good clean. Works just fine.

    Could the problem be the solenoid??

  4. #4
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    I turn the machine on with everything in its place: Cold water is released from the group head. Water appears to be going into the boiler........???

    No water will come from the steam wand or hot water tap however.....

    Any ideas?????

  5. #5
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    Do you have a wiring diagram and/or a few pics of the inside of the machine? If you could post them it would help.

    Cheers,

    Matt

  6. #6
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    Imgur: The most awesome images on the Internet

    The photo of the disconnected tubing shows where the solenoid should exist - I currently have it soaking in vinegar solution because I found a bit of gunk inside of it.

    There was water running from one tube directly into the bottom of the boiler, but no water running from the tube that runs to the brass fitting that sits directly below the boiler... if that makes sense

  7. #7
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    Hi Matt,

    I attempted to add photos - they are waiting to be 'approved by a moderator'.

    Just another update:

    I took the solenoid out and gave the valve body a clean in some vinegar. It had a fair bit of gunk caught inside of it...

    I reattached the the solenoid to the machine (HOWEVER I forgot to put the plunger back into the valve body)

    The machine heated perfectly! Pressure reads 9 bar and both the steam and hot water taps function! This is all without the plunger inside the solenoid valve body... After work I will put the plunger back in and see if it still functions!

  8. #8
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    Looks like you might have nailed it. That would explain all the symtoms the machine has, both the no water and the heating issue. I'd be interested to hear back :-)

    Cheers,

    Matt

  9. #9
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    Hi Matt,

    After soaking the plunger from inside the solenoid (in vinegar) and reinstalling it.... the machine works 100%!

    After 6 years of being inactive I can imagine whatever liquid left inside the machine just clogged up and froze a few components.

    Can't find a whole lot of info on the Treviso, however I am impressed so far:
    - It is at full temperature within 15 minutes of startup
    - Steam wand has fantastic pressure however I think the nozzle should have finer holes (might upgrade)
    - Hot water tap doesn't spit everywhere like the Quickmill Anita I have used in the past, it instead is dispensed evenly and without spray

    I'll post a few pictures of the complete setup soon.
    MattyRay likes this.

  10. #10
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    Awesome, thanks for the update. Great to hear it's up and running!

    Matt

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