Probably something is wrong in the mainboard of the coffee maker. Please take up contact with delonghi themselves.
SOURCE: DeLonghi Esclusivo Magnifica ESAM3300 Espresso
Hello, you can buy descaling tablets at your local Starbucks. There is also a liquid descaling solution (small bottles) you can buy anywhere.
At the moment I'm using Jura brand descaling tablets I purchased at Starbucks. For instructions on how to descale (quite simple really), see here on p-17 at:
http://www.starbucksstore.com/images/products/pdf/DeLonghi_Magnifica.pdf
Hope this helps.
SOURCE: Descaling light still blinks on our Magnifica 3300
I would move the machine to another room and use a couple of cups of plain white vinegar and let it sit overnight before running the cycle again. The mild acid should remove the calcium buildup.
SOURCE: descaling a delonghi magnifica ESAm04
I had this problem too. The instruction manual says to turn the steam knob only half way counter-clockwise after pressing the button for 5 seconds, but you need to turn it ALL the way to have the procedure start (at least, that was the solution with my machine). Good luck!
SOURCE: How do you descale my Delonghi Magnifica?
10.3 DESCALING Due to the continuous heating of the water used to make the coffee, over time it is normal for the tubing inside the machine to fill with lime scale. When the light starts flashing (section 12 - point 5), it is time to descale the machine. NOTE: when the light switches on, the coffee maker can still be used to prepare coffee. Proceed as follows: • Empty the tank and pour in the contents of one bottle (125 ml) of DURGOL descaler plus one liter of water. For subsequent descaling operations, descaling solution can be purchased from authorized technical service centers. Note: Make sure splashes of descaler do not fall onto surfaces sensitive to acid such as marble, limestone and granite. • place a container with a minimum capacity of 34 oz. under the cappuccino frother (Fig. 3); • turn the machine on by pressing the button (Fig. 4). • wait for the green and indicator lights to come on steady. • press and hold the button for at least 5 seconds (Fig.14). The decalcification warning light will illuminate (section 11 - point 8) to indicated the start of the descaling program (the and lights remain off to indicate that it is not possible to make coffee). • turn the steam knob half a turn counter-clockwise (Fig.5). The descaling solution will come out of the cappuccino frother and start to fill the container underneath. • the descaling program automatically performs a series of deliveries and pauses, so as to remove the lime scale deposits from inside the coffee maker. Fig.32 The two red buttons have snapped out CORRECTLY The two red buttons have not snapped out CORRECT INCORRECT 17 OPERATING INSTRUCTIONS • after around 30 minutes, when the light comes on (section 12 - point 1), turn the steam knob half a turn clockwise (Fig.6) until it stops. The machine must be rinsed so as to eliminate the residues of descaling solution from inside the machine. Proceed as follows: • remove the water tank, rinse it and fill it with clean water. • reposition the tank. • empty the collection container (located under the milk frother) that is full of liquid, and then replace it under the milk frother. • turn the steam knob half a turn counter-clockwise (Fig. 5). Hot water will come out of the milk frother and fill the container underneath. • when the tank is empty, the l ight goes off and the light comes on (section 12 - point 1). • turn the steam knob all the way clockwise (Fig. 6) and fill the water tank with clean water again. • the program of descaling is now terminated and the machine is ready to make coffee again. NOTE: if the descaling procedure is interrupted before completion, the alarm (section 12 - point 5) is not deactivated and the procedure must be started again form the beginning.
Testimonial: "Thank you for your very explicit and thorough response. I was able to complete the operation successfully and with ease."
SOURCE: Display button for "descaling required"
what is the model of the delongi? There is an automatic descaling mode, with the descaling intervals a function of the water hardness. You use a provided water test strip to determine the hardness of your water, and then program that value into the machine; the range is from "1" (least hard) to "4" (calcium deposits form in your throat as you drink your water). The programmed-in hardness value then determines how often the ESAM says it's time for a descaling cycle. You will need a 4.2-ounce bottler of Durgol liquid decalcifier for a descaling cycle. The ESAM comes with one such complimentary bottle.
Thanks
Rick
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