Decalcify my gaggia have the decalsify message in the screen.I already decalsify the machine but the message stay there. What can i do to erase that message?

You must use the correct tablets for this, gaggia make special decalcifying tablets.
The machine must be cold when running the program.
It takes about an hour to run the solution through the machine.

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Many thanks

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Priming and decalsifying are two different issues. To prime, direct the steam wand into the tray and turn the water on. Once it has "primed", the screen will change and you will be done. To decalsify, you can use the starbucks decalcifying solution and follow the instructions on the box. Hope this helps!

Press the double ellipse button for 5 seconds and follow on screen directions.

Hold down the button that looks like the eclipse then follow the instruction on the screen.

To cancel the message,press and hold the water button for 5 secs, until the message is clear. The machine is due for descaling to clean the boilers.

Remove brew unit, If you have the key that came with the machine use it to remove the shower screens and check for blockage.

Fill watertank with descaler solution, place a large bowl underneath the steam wand, locate the button that looks like a sideways 8 or oo or similar, press it for five seconds and the machine will begin auto descaling. Follow further instructions on scree.

http://www.fixya.com/support/p5841-gaggia_syncrony_espresso_machine/manual-17886

You can download the manual for free. Search for the manual.

If you want to decalcify, then you need to get decalcifying solution. The button with two circles is the decalcify mode. Press that, and the unit will go through it's automatic decalcify. There is a specific procedure to best decalcify superautomatic machines. Please search for that.

After this is done, the decalcify message will not appear. It is on a preset schedule, not an actual measurement of how much scale is in the machine.

Although you don't have to decalcify, it is recommended, especially if you live in an area with hard water.

If the decalcify messsage continues to appear after you've descaled, press the ESC button for 3 to 5 seconds to clear the message.