Have an ECM Giotto Espresso machine. The water will not heat up or build up any pressure. water will come out.. but it is ice cold. I keep hearing about descaling the machine but have no idea how to do it. suggestions?
Se my solution re no heat on page. pressostate or microswitch fail is easy to fix. many times the water tank is bebt out of shape with time. A twisted tank lift one side and tank is no longer resting on four points. This cause no contact with electrodes inside tank saying = no water = no power allowed. The GROUND must be established! A small piece of alu foil rolled to a ball will help to ground the electrode again. Lift the tank gently and find the two v - shaped contacts for the electrodes. Have also replaced the electronic box once :-( on friends ECM /// olev
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Have you checked the Thermostat on the unit in the tank if it is stuck it will cause the tank to over heat and pop off the steam valve?? there should be some resettable overheat protectors as well. Has the preassure relief valve been replaced as well??
The hising is your vacuum breaker not closing. Check you heating element with an ohms meter. It should read between 14 and 17 ohms. If you get a larger or no reading its your element. It needs to be replaced.
The vent valve on the machine is stuck in the open position. Turn on the machine and open the steam wand until you hear a hiss or see small water bubbles from nozzle, let it steam out a little more then close wand, that should allow the machine to heat up correctly, then order a new vent valve for the machine.
sound like it need to taken apart for a good cleaning. Hard water will cause build up ..your user manual should tell you how. i have the manual. It says Hard water will cause that problem.here is the link for the manual.http://www.espressotec.com/store/pc/catalog/pdf1/ec1300_ecm_giotto_manual.pdf
The pressostat can be full of scale. You can remove it when the machine is cold descale it and also use a litle lubricate so the part can move more easily. You migh need a new mebrane since it might have be damage but if you dong have you can cut a plastic the same round shape of the mebrane and put the both back again so that no steam will escape from the mabrane.
You must have an internal leak and your machine will need to be serviced. If you can remove the top of the machine maybe you can see where the leak is coming from and may be able to repair the machine yourself.
What you see is condensed stem comming out and no water. The pump is not sucking from the tank as ther is an air bubble in suction line. Still want coffe and don't want to clean your machine??? Flick up the lever with no group in place. Steam comes first then nothing. Pump is running and - voila - water comes as air bubble is gone. (Specially the first cup , never the following ones.) Now put back the group and brew your espresso. The machine is full of scale and neds total clean - by hand./// Olev