Question about DeLonghi Coffee Makers & Espresso Machines
Rinse water and coffee is coming from behind the door. Machine has been thoroughly cleaned.
Posted by Anonymous on
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Posted on Jan 02, 2017
i had this problem, and have now finally figured it out and fixed it. the problem is that there is a solenoid valve sticking. i believe that the valve is used to relieve pressure after using the steam, and it vents the hot water directly to the tray. if you aren't diligent about descaling, or if there are water impurities, or if you use the machine infrequently, or for probably any number of other reasons, the valve can gum up and stick in the "open" position, continuously draining the water directly to the tray.
one easy way i've got my machine to work was to cycle steam on and off a few times, thereby signaling the valve to open/close, and unsticking the valve. you can see if it worked without wasting coffee by initiating a rinse cycle, and seeing if the water correctly comes out of the coffee nozzles.
if that doesn't work, you can disassemble the machine and tap on the valve. it has a square black solenoid ~1" square on top of a brass valve. it is mounted on the same bracket as the u-shaped heater. a few sharp raps on top may free up the valve.
if that doesn't work, remove the valve, and try to blow through it. if the valve is stuck open, air will go right through. hold the valve upright and tap it onto a hard surface (countertop, floor, etc.) try blowing through it again. when the valve is unstuck (and held in its normal operating position), you will not be able to blow through it.
once the valve is unstuck, run your machine through a descale process. that should take care of it.
Posted on Feb 13, 2010
If you make a pre-ground shot but don't put any coffee in it, and it does the same thing you have a blockage in the brew head.
If it run normally, your grind is to fine. Turn the grinder knob to a larger number. It takes 3 times to change to the new grind.
If it still dribbles, remove the brew unit (behind the door)
Holding the handle, the top left side is the brew head. There is an outlet pipe that exits the front side towards the door. 2 screws hold it to the top. Remove the 2 screws while holding the manifold. Once they are removed, lift the l assembly off (becareful, there is a spring and inside a steel ball (don't loose it or your out of luck). Turn the brew unit upside down while holding the brew head in your other hand and the steel ball should fall out. If it doesn't come out put a towel down and tap the brew unit on the towel. This should force it out.
Now remove the brew screen, by holding the screen with your finger and twisting the thumbscrew (remember thumbscrew, DON'T use the key to install the screen, use your fingers.....
Once the screen is out look at where the screen was. There are 2 holes. 1 big one in the center and a small one to the side.
Now use air to blow back through the opening where the steel ball was to clear the opening. Once its open, clean then reassemble. Brew unit on towel right side up. Drop the steel ball in first. Then the spring.
Then place the manifold on top of that with the pipe towards the door. Insert your screws (I turn them backwards a little with a little downward pressure until they feel like they drop into the threads. They should turn down easily, if not back them up a little more ( we are trying to find the old threads) and tighten. Install screen, and tighten with your fingers. The screen just needs to be flush with the bottom of the brew head.
Run another pre-ground without the coffee and rinse it out. Do this once in a while to prevent this.
Posted on Jan 02, 2011
when first started up turn the steam valve open to get out air ... job done i hope or you need it repaired ... bsc appliances 07779933829 we repair via postal service anywere .
Posted on Feb 27, 2011
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