The S1 Cafe - Helping Your Espresso Dreams Become Reality

Hello fellow Spazialistas,

I am in the process of restoring a V1.

I have a problem with the boiler pressure running too high.

I have followed Chas´ recommendation, and upgraded both my temperature sensors with the new type. Apparently a malfunctioning sensor is the primary reason for boiler high pressure!

I my case it did not make any difference. If anything the pressure is now a notch higher with the new sensor.

Does anyone have an idea, what I should check next?

My V1 has the V2 controlbox

Well, I think Chas solved this one already! The pressure gauge is offset. The machine got a bump durring transport, and the sensor is showing too much, always floating at .6 bar even when cold and no pressure at all.

Thanks for your input Chas.