Question about Mr. Coffee Classic 12-Cup Coffeemaker - Cocoa (MRX35)

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"clean" light will not go out

Used the clean function. now can not get the light to go out. click it once and it blinks. click it again and light stays on. have even unplugged coffee pot and it comes back on when I plugged it back in. do not have owner's manual

Posted by melissagm on


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In my experience with this coffeemaker, the Special Cleaning Cycle light doesn't illuminate until the machine is very clogged up. The risk of ignoring this indicator and waiting too long to clean it is that by the time it does get cleaned the calcium deposits will end up clogging the check valve, thereby shutting down at once. Regular cleaning will prevent significant amounts of calcification and thereby result in hotter, better tasting coffee and less risk that the loosened mineral deposits will end up clogging vital parts of the machine if and when you do clean it.
If you notice, the inside of the lid to the water tank states that the unit should be cleaned every 30 days. This is true whether you see the cleaning indicator light illuminated or not. To clean the coffeemaker, you must add 20 oz of undiluted white vinegar per the owner's manual, then press the "clean" button. If you do not recall the last time the coffeemaker was cleaned and wish to start off on the conservative side, you may wish to use a diluted solution of white vinegar (about 1/3 to 2/3 water).
The coffeemaker will brew part of the vinegar, then pause 30 minutes, then restart itself. Use clear water to rinse at least two times after the process completes. This will take about an hour in all. If you are in a hurry, you can just run vinegar through a regular "Brew Now" cycle; however, this will be somewhat less effective.
When adding fresh, cool water to rinse the vinegar out, make sure to allow a few minutes to cool down between rinses because the element is extremely hot. You may wish to use a vessel other than the carafe to fill the water tank while rinsing because it will take less time. Otherwise, the carafe may crack or shatter if you take it off the hot plate and fill it with cool water straight away.
Finally, I suggest you visit and put the model number in their web search box. The Classic Edition Coffeemaker came in three varieties: MRX33 (black), MRX35 (brown) and MRX36 (red). The instructions are otherwise identical in operation and features. There will be a link at the bottom of the description to the user manual. If the model number no longer appears on their site, use your favorite search engine and type "model + manual + PDF" or terms to that effect.

Posted on Mar 05, 2010



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You've got to let it go through the entire clean function. The entire cycle takes 45-60 minutes.

Posted on Jun 14, 2009



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Oh yes yes yes, that solution works just fine. Fine I say. However I like drgfer's better the uh um 243 vs 270 at 100 yrds. I used a 50 cal. at 300 yrds, however first I filled the carfe with methelethelkeytone and lit a ring of fire around the entire pot....... WAMIE! whew should post it on you tube.......Oh OH I will. Go right now to WHAMIE COFFEE POT!!!!!! oh oh it's nice very nice!!!!!!

Posted on Jan 16, 2010

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