I have a Rancilio Silvia V3 with an Auber PID. I noticed over the past 3 weeks that steam is bubbling through the overflow tube in the water resevoir when I have the steam function turned on. This does not happen while pulling regular shots. For what it's worth, the machine is 2 years and 1 month old so warranty is out of the question.
I clean my machine thoroughly once a month and recently rebuilt the steam wand with the new gasket/o-rings. There are no leaks of any sort. I'm getting good shots as usual. I have NOT yet made adjustments to the over pressure valve. The 3-way valve works as usual (or at least I think so anyway.)
Please see the following Youtube video below. I apologize for the poor quality but you can see the steam bubbling/gurgling through the overflow tube. You may need to turn up your volume. Any comments / suggestions appreciated. Thank you!
While it isn't impossible for that to happen in the way you describe, I would ask you to hold the hose above the water level when pulling a shot to verify that no water is bypassing the pressure relief valve during that function. I would guess that it does, but since there is virtually no steam in the boiler in teh brew function that a flow at that time would not be easily seen.
While it isn't impossible for that to happen in the way you describe, I would ask you to hold the hose above the water level when pulling a shot to verify that no water is bypassing the pressure relief valve during that function. I would guess that it does, but since there is virtually no steam in the boiler in teh brew function that a flow at that time would not be easily seen.
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