Question about Mr. Coffee 072179228578 12 Cup Coffee Maker
My Mr Coffee is less than 2 years old. It beeps 5 times but won't brew. I decided to use my electrical engineering degree to help tackle the problem. Seems the problem lies in the pot warmer thermal switch which controls the power to the warming element. The switch is open but should be closed since the element is cold. I ordered a new switch. In the mean time, since it appears that the switch is a simple bimetal switch and perhaps stuck open, I tapped it several times with the end of my screw driver. That solved the problem for the time being. When the switch fails and tapping it doesn't work, I'll replace the switch.
Posted on Nov 12, 2017
Tried to clean it, everytime you press the brew button it just beeps and if we try to set it to clean it sounds like it tries to turn on but nothing happens.
Posted on Jul 10, 2016
Throw the piece if junk away, and buy something decent that will last more than a few months.
Posted on Nov 04, 2017
you can't ,its up in the top behind the controls.
you have to take the pot totally apart.
only a trained tech should attempt this.
Posted on Apr 02, 2008
Try running a cupfull of vinegar through it followed by a pot of plain water.This will remove any hard water deposits which may be blocking the tubes.
Posted on Nov 05, 2009
SOURCE: Mr Coffee stopped brewing
Sounds like there are a couple of problems -
First, are you certain that the coffee basket is clean? If the coffee basket has a valve on the bottom that allows you to remove the carafe to pour a cup of coffee, make sure the valve is clean. Being dirty would cause it to trickle coffee slowly into the carafe, and will hold coffee in the basket too long.
2nd, you may need to flush the water heating system as they can become corroded with precipitated solids from the water.
To do this, mix 1 part vinegar to 2 parts water in the carafe. Pour into the coffee maker and tell it to make coffee. Do this a couple of times, using a fresh mix of vinegar and water each time. Pour the used mixture down the drain.
When you feel it is clean, follow it up with a fresh pot of water. Then wash and rinse the carafe.
The coffee maker is now ready for it's next use.
Posted on Jan 30, 2009
SOURCE: Mr Coffee
If your coffee maker is under a year old, take it to a authorized service center for free repair or replacement.If its over a year then the complete heating element assembly must be replaced.However, this part is only available to authorized service centers and is not sold to consumers.
Posted on Nov 07, 2007
SOURCE: my bunn is too slow
Use the de-liming spring to clean the copper tube behind the spray head. Pour several pots of clear white vinegar through the unit to further remove lime and scale from the interior of your coffee maker. My Bunn is 24 years old, and the only replacement parts I've ever required are new carafes and the 4041 silicone washer repair kit.
Posted on Sep 19, 2007
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