The S1 Cafe - Helping Your Espresso Dreams Become Reality

Hi,

I had this happen to me too. In my case, the vacuum breaker became sticky from age. I took the vacuum breaker off (using a hex socket, I forget the size) and gave it a vinegar bath and good scrub. If you go this route, remember to apply teflon tape to the threads when reinstalling.

I also had ...

A quick update: I installed a new stainless steel spring this week and my machine is back to normal - problem solved! :grin:

Thanks Chas for putting me on the right track.

I live in South Africa and bought my Mini from a local distributor. He was willing to replace the spring, but would have ...

So I finally had a chance to take a look at the internals of the "non return valve" at the tank outlet. The compression coil spring responsible for sealing the valve is completely rusted up and disintegrates at the touch. That after two months :shock: Here is a photo:

non-return valve small.jpg ...

My tests did not produce the results I was hoping for - no water in the tank the next morning and still nothing out of the grouphead during the first few seconds .

I am not yet ready to rule out the "valvo non returno", though. I am going to take it apart as soon as possible (I am travelling for ...

Thanks Bob and Chas for chipping in, I appreciate your input.

I've had issues with the flow sensor. It could cause this type of problem. The original sensors have been modified I understand to deal with low flow. When mine was replaced the flow went up substantially.

I am hoping it is not the ...

Hi Mini owners,

Please put my mind to rest or sound the alarm if something seems out of the ordinary with what I see with my mini II, as described below. I bought my machine new and it is now about two months old.

I have the single cup button programmed to deliver 2oz without a pf and I use this ...