Question about ECM Giotto Espresso Machine
The machine heats up, and will make one or two cups of espresso, but after a prolonged time, the pump will not turn on. If allowed to cool between cups, the pump will continue to work somewhat longer. It appears to overheat (although the barostat works) and the pump will not turn on. Steam is not a problem.
Ther is a very simle heating cirquit with a prssure swithch including a Cherry micro swithc. This thing is rated max 60C. With time the plastic just get bent out of shape and you have no pressure. have fixed by changing the Pressostate or just the Cherry switch. The Element must come on at low pressure. It has an mechanical setpoint. So hotter coffe (higher steam press) can be set with a scew driver. Finally the safety valve lifts and you have learnt a little re boilers. Leaking safety valve need a new seal, Be careful,,if not, your ECM will serve the first espresso on the moon/// Olev
Posted on Mar 21, 2009
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