I have this problem with a 4 cup model. 4 cups in, 2 cups out. I cleaned it twice with vinegar (with a filter in place). The first time didn't seem to help, but the second time I got about 2.5 cups out, along with a bunch of old grounds that I think had been sucked into the pump. Ran water through it twice, and now it gets to about 3 cups.
I think the problem is just that the pump is clogged with grounds. If vinegar makes yours worse my guess is that a big piece got dislodged and is now blocking the tube. More vinegar might help.
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Have you tried cleaning your coffee maker? If not just fill half of the carafe with white vinegar and let it brew. Keep basket in during cleaning but no filter needed. After running the vinegar through the brew cycle, fill the carafe with plain water and run fresh water through about 3 to 4 times. I do this every 4 to 6 months. I have a light on my coffee maker that lets me know when I need to clean it. I hope this helps.
Sounds like a cleaning problem. Mix 1/2 vinegar and 1/2 water pout into machine and brew,WITHOUT K CUP! Do 5-6 x's and then brew plain water to rinse vinegar out. Do this several times. Should be ready to go.
You can run a cup of vinegar through the machine. Run it just as you would making coffee, except without the coffee. Run water through the cycle at least twice to remove sediment and the vinegar. Works like a charm.
you need to run a few pots of straight white vinegar through the machine to clean out the lime build up in the tubes. the first time you do it, after it starts to pump the water, shut it off for a few hours and let the vinegar sit in the tubes. after doing this run a few pots of cold water through before making coffee.
You have an obstruction in the feed line to the heating element. I found coffee grounds before the check valve. I had to take the bottom off it which I am sure the manufacture wouldn't approve of but I was at my wits end and ready to toss it. I just brewed a full pot 10 minutes!!!
Run vinegar/water solution - 1/3 caraffe distilled white vinegar and 2/3 caraffe water. Let the vinegar/water solution sit in the water reservoir for up to 20 mins before you start brewing the first batch of vinegar/water solution. Run it up to 3 times - just like you would normal coffee. Then, run a caraffe of plain water and see if all is well.
If that fails, then you have a busted or damaged hose inside.
Call Cuisinart, because that one is still in warranty - you will not need a receipt or a box for that one.
Sometimes you have to do the decalcification two or three times. Then, monthly after that.
Cuisinart Coffeemaker Decalcification Process Run 2 cups distilled white vinegar and 2 cups water through the system - brew it like it was regular coffee. Then run plain water through the coffemaker to rinse the vinegar out and make sure the decalcification was successful. Repeat as needed. Don't forget to remove the charcoal water filters first. -Tha Mp3 Doctor
I assume You are talking about the water-brewing heater thereare two, the second is the heater that warms the coffee pot (I think!). When the water-heater is encrusted with calcium deposits it "thinks" that the water reservoir is emptyand ceases the brew cycle. water boils at 212 degF and the heater will go to a much higher temperature. I will leave you with the same solution as was posted to another problem that may have similar cause:
I have the same machine, Braun KF180 12 Cup Coffee Maker. In normal operation the brew cycle is stopped when the water reservoir is empty. The only way the coffee maker knows if that is true is when the water-brewing heater gets too hot. Your brewing heater is probably encrusted with calcium deposits if you have been heavily using the coffee maker. Vinegar will work but it is weak and you will have to cycle this solution through many many times. You should instead use "Lime Away" or "CLR" and let it sit there in a brew cycle or multiple brew cycles for a while. NOTE: Remove the filter when cleaning this way and when the brew cycle is complete, rinse thoroughly -- your taste buds will let you know if the machine is not rinsed thoroughly. -- Good Luck!!