Question about Cuisinart DCC-1200 Coffee Maker

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Seems clogged After overflowing the filter basked, I tried cleaning the unit. It tries to work but not much water is comming thru to the shower head. I need further instruction on where and how to clean overflowed grounds.

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  • marg175 Nov 21, 2008

    I think someone put very fine grounds in the basket and probably didn't push the basket all the way down which resulted in a clogged coffee pot. I tried using white vinegar and water but much steam and very little water is coming through. It takes as long to get 4 cups of water through as it normally takes to brew 12 cups. Could I use dishwasher detergent to dissolve the backed-up grinds???


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The problem may be caused not by a check valve in the inlet hose. This little gadget, about an inch inside the heater end of the tube, allows water to flow into the heating element but not back -- unless it's broken. This hose is the one closest to the outside edge of the bottom.

I'm sure *someone* must sell a replacement part, and I'm in the middle of that search. But I did get an older, broken coffeemaker from my brother (another member of "the Slow Wastebasket" society!

I was able to disassemble my Model CBC-00PC2 using a standard Torx 10 screwdriver. However when I tried to take apart an older model, DCC-1200, I found that it used the security version of the Torx 10 screw: it has a tiny nipple (correct word?) in the center of the screwhead that prevents a standard Torx driver to fit. I was unable to find the correct screwdriver and a security Torx bit is too thick to fit, so my brother and I resorted to brute strength to pop of the bottom.

The only other problem I had was that the older hose was a bit brittle and both the older and newer ones had sort of welded themselves to the aluminum heater element tube. Luckily, there was enough extra length and I was able to make it fit -- barely! I lost one of the little metal clips so substituted a tiny cable tie.

Everything seems to work. Oh, the only reason I knew about the check valve is that I previously disassembled the thing to see what was wrong and I found something (probably a piece of the valve!) floating around.

Hope this helps.

Posted on Nov 29, 2008

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Disconnect the coffee maker, take carafe, filter and filter holder out. Lie the coffeemaker down over on the the side of the sink with the back of the coffee maker facing away from you, the top over the sink, dip stick removed and facing down towards the counter-top. Look inside the reservoir and you should be able to see the hole where the water enters the heater. The coffee grinds get stuck in that opening and cannot get out. Solution: I used two plastic straws joined end to end. Then used water from my mouth blown in through the straws to flush out the hole. The water flushes the grounds towards the sink. After a few mouthful flushes, shake the coffeemaker and more grounds begin to emerge. Repeat till the hole is noticeably clearer. A headlamp or bright flashlight helps immensely to see the intake hole with (before) and without the grounds (after). Reassemble and run water through the coffeemaker. I was able to get 5 cups out in 4-5 minutes. Previously it took 20 minutes.

Posted on Feb 22, 2013

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I have the same coffee maker - only a few months old - and same problem. I forgot to put the carafe back under the machine one day, turned it on to brew, and the coffee grounds backed up inside, getting the reservoir dirty.
I don't think it's a broken part - I think it's just clogged, like toilets or drains get clogged. I'm trying to figure out a way to flush out the grounds in there. Vinegar is good for calcium buildup but doesn't dissolve grounds, obviously.

Posted on Jul 19, 2010

  • Mary Taormino Oct 21, 2010

    How did she fix it? I have the same problem. It now takes forever to brew a pot of coffee and the machine makes a sputtering sound as it brews. I've tried vinegar and water 4 times to no avail. How do I fix it?


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Further technical info can be found at:
41 Woodbine St
Bergenfield NJ 07621
phone 201-439-1700

fax 201-439-1701

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