Question about DeLonghi BCO120T Programmable Espresso / Coffee Maker

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DeLonghi BCO120T coffee maker side does not work. Is there a solution?

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  • John Stephens Sep 08, 2013

    The thermal fuse in mine reads 240 C. The instructions for using a neon volt-reading ligh are backwards -- when the fuse is open, the light lights. -- but you also have wires hanging around, and this is a good excuse to buy a cheap Volt-Ohm meter. The clips on mine were very easy to slip a small screwdriver under, and then work the thermal fuse and its insulating sleeve out so you can work on it. This device is also known as a TCO [Thermal Cut Out]. It does not control the max temp as much as it LIMITS it. [If temp goes too high it "blows" [opens] and shuts off the power.

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TYPICAL FAILURE OF THIS MACHINE = THERMAL FUSE MALFUNCTION.
WHERE ARE THE THERMAL FUSES: There are 2 thermal fuses under the coffe tray and 1 fuse under the espresso boiler. (YOU WILL HAVE TO REMOVE THE BOTTOM COVER OF THE MACHINE). What this fuse does is regulate the temperature of the heating element so that everything doesn't melt (yep, I tried to bypass the fuse and found out the hard way..testing...testing..). Anyway, replacement for these thermal fuses are sold at RADIO SHACK for about $2.00. (Yep, only $2.00) If you open the bottom cover of the coffee maker and you will see the 2 fuses, they look like resistors. they are covered in a plastic tube to prevent damage. Clip them off I used a small wrench(radio shack) to pry open the small clamps that hold them, replaced them, then reclamped the new fuse back on.
REPLACEMENT FUSES: The thermal fuses have the watts/Amps and temperature stamped on them. There is 1 part that I use and has been working well for over a year ( over a year, yes this machine can last a long time!!).
The part # is Labeled - Raido Shack 270-1321 Thermal Fuse 438°F (226°C) 250VAC 10A (For heating devices like coffee makers and hair dryers). The temperature may vary + - a few degrees° on the label, from what I have seen.

HOW TO TEST THERMAL FUSES: These fuses are not only used for temp control but they also close the curcuit. If the fuse blows then it is open and will not heat. I use my ohmeter (put 1 prong at each end of the fuse) and if it reads open it means that the thermal fuse is bad, it has blown, there is no current running through it. I believe a light meter can check for continuity also and are much cheaper. Test by putting the test leads at each end of the fuse (1 prong at each end).If the light turns on then you are good, getting continuity. If you cannot get no light then it is bad. You can test your light fuse with a simple wire, touch each end and the light should go on, cut the wire in the middle and no light!!easy.
fyi. If your coffee does not get hot enough the fuse may need to be replaced also.
HOW TO READ THE OHMETER.


Know that a reading of OL means "over limit." That means the resistance is off the charts, and you have a break in the circuit. If you got an OL reading for the plug wires, you'd know there was a broken wire that needs replacing. In this case, we got an OL reading because the light switch is in the "OFF" position.

Read more: How to Use an Ohmmeter ' eHow.com http://www.ehow.com/how_2282412_use-ohmmeter.html#ixzz0zwX1LcJD



Consider that a low reading, anywhere from 0 to .5, indicates very little to no resistance. This means there's a continuity of current in the circuit. This is the reading you should get

Read more: How to Use an Ohmmeter ' eHow.com http://www.ehow.com/how_2282412_use-ohmmeter.html#ixzz0zwXjz6C0

Posted on Sep 30, 2010

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  • BstBuyKLHSux Dec 31, 2010

    Coffee maker side stopped working after 1yr of weekend only use. This reccomendation is spot on! Need a torx security bit #15 to get bottom screws off. Fuses are 1.99 at radio shack, get two. Take photos so you can remember wiring. Literally swap the two fuses and test. Mine works just fine now. Thanks!

  • Lucien Gaydos Jul 23, 2013

    What if you connect the wires together and bypass both fuses (Just to test) and it still doesn't come on? no clock and no drip but espresso works

  • Denise Schoonmaker
    Denise Schoonmaker Oct 21, 2014

    thank you will try this sure hope it works :)

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Super! Changing the thermal fuse worked. As suggested, I bought the fuse at my local Radio Shack for $1.95 each.
The fuses were a bit tricky to find. They are protected with a plastic tubular sheath & clamped to the tubes going in and out of the hot plate. Follow the instructions to the letter and you'll be right back to enjoying your coffee maker.
Thank you so much for this post. You saved me the price of a new Delonghi Combi...

Posted on Mar 13, 2014

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Thanks. It worked my case as well. In my case, using ohm meter revealed only one fuse was blown. Bought a fuse at Radioshack ($1.99) and replaced. Since I could not pry open the small clamps that hold the fuse, I cut off the both edges of old fuse and connected the wires with **** connectors (6403036, $2.80) also bought at Radioshack by holding the wires down with pryer.

Posted on Aug 12, 2013

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Yes take it back and get a new one.

Posted on Oct 03, 2009

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Does not get power from the control panel? help

Posted on Dec 22, 2015

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The base has a 6 star screw holding the base on. None of my tools will fit over the odd screw head. Where can I get the tool to unscrew them?

Posted on Oct 13, 2015

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Wow! Thanks so much for this post. I had the same issue, ran to Radio Shack for the fuses, replaced them both on the coffee maker side, and it works now! Unbelievable that $4 just saved me over $100.

Posted on Dec 29, 2012

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Posted on Jan 02, 2017

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