Question about DeLonghi BCO120T Programmable Espresso / Coffee Maker
We had this problem too after receiving this unit from friends that said the coffeemaker side no longer worked on the BCO 120. After replacing the thermal fuse, it worked fine for a few months, then it started leaking a small amount of water during brewing of coffee. I had read this leak was from the removable water tank not seating so I pushed the tank down firmly. Still it leaked. So, I took the machine apart, the bottom and raised it up, and set it to brew. I located leak at top right side of unit where, as Will2012 suggested, the water rising area. I removed the 9 inch vertical tube from its insert at top and found the cable tie fell off, so it was loose. I then removed the cover over the basket area that has the Strength selected knob. The four screws holding down the shower head unit were rusted away. I replaced them with no.6 stainless steel screws, using bolt cutters to reduce them to the correct length as the ones at hardware store were too long. I replaced the three cable ties at each point from the reddish orange silicon tube at bottom that connects to the no. 2 plastic vertical tube, and also the cable ties where the no. 2 plastic tube connects to the clear silicone tube and also to the shower head. Make sure the cable tie connecting the clear silicon tube to the black shower head is near the end, or your won't be able to seat the shower head flush when you put it back together. This solves it for me. You'll need a safety Torx driver to remove the bottom screws. A very small jeweler's screwdriver will also work in these screw heads.
Posted on Nov 12, 2011
I have the same leaking problem, but I could never do all that! Are you kidding? Buying screws then cutting them and replacing things . I'll keep on letting leak, I had alreafy put a cast iron hot plate which helps it to cool and keep the leaked water away from the bottom of the machine. I'll keep on using it till it stops working. I will Remember NEVER to get another Delonghi again, coffee machine nor any other gadget they make.
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The leak is most likely coming from the rising part of the water transfer. If you remove the bottom cover check the tubes and Joints. The joints get small cracks and when the water gets hot and starts to go up the tube it will leak. You should be able to fix with some epoxy glue or glue that will stop leaks..
Posted on Sep 30, 2010
An expert who has achieved level 3 by getting 1000 points
There are many possible points that the leak can be. All points of the water supply from water tank to the pressure pump then to boiler and finally to coffee group. All this are connected together with plastic or Teflon pipes with easy fit unions secure with clips You need to disassemble the machine and work it without the side panels of course with extra care since power electrical cables are exposed. In this way with a very good visual check while the machine is in operation you can identify the leaking point and fix it.
Posted on Sep 27, 2010
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Whatt's the trick to getting the top housing off??? I removed all the upper screws but it's still firmly fixed where the drip "shower head" exits the silicone tubing by some hidden hardware. Do I need to remove the bottom cover to Unlock it??? Help!!
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