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Water does not come out of bunn mcu - Bunn Coffee Makers & Espresso Machines

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CHECK THE PRESSURE IN THE PRESS GAUGE
IF THE PRESS IS 2 BAR SO IT MEANS THE HEATING ELEMENT IS WORKING AND AND THE PROBLEM IN STRAINER MAY BE NEED TO CLEAN

Posted on Nov 03, 2018

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Posted on Jan 02, 2017

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Bun coffee maker model MCU has stopped emptying water completely from the coffee grounds drawer. How can I fix this? We have cleaned filter already. Thank you!


Check out the following link that shows how this MCU brewer works. Please note position 8:04 on the time line of the video. Note the loud 'flushing' or air blast sound that is at the end of the brew cycle. If your brewer does not perform this air blast (it forces all the water out of the brew chamber or cup.) then the air pump is bad and needs to be replaced.
* check your warranty and have Bunn service this machine.
* There are no customer service parts inside this brewer.
Aloha, ukeboy57

May 24, 2018 | Coffee Makers & Espresso Machines

1 Answer

After brewing with a Bunn MCU, it does not fully use all of the water; some remains in the coffee pod. It does this with all textures of coffee grounds. It makes cleanup a mess. Any ideas? Thanks!


First, Though I have worked on many Bunn commercial systems. I'm not quite familiar with the newer MCU though I've worked on similar single cup home systems.
* Most single up systems like the Cup/Pod/Capsule usually have a air flusher that pushes all the water out of the brewer to extract all the flavor and prevent old liquids left in unit.
* If your still dripping, have wet pods/capsules/cups, then it sounds like the air pump is not turning on or not working properly. Bad pump could be a cracked or loose hose as the pumps don't really wear out as it's only air (hopefully clean air, no dust). Call for service.
* The brew cycle might not be completing thus not continuing on to the next step which is to pump air in. Brew sensor or timer out. call for service
* Computer is out or fried (especially after an electrical storm). Call for service.
* Finally, most of these home units do not have serviceable parts. Most take at least an hour to service. So if your not in the warranty period it may not be worth fixing. But be sure to call your service provider or MFR for advice.
Aloha! ukeboy57

Mar 23, 2017 | Bunn Coffee Makers & Espresso Machines

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I just plugged in and put water in the top resevoir of my Bunn coffee maker, Model MCU. The The red square is flashing. How long does it take until it is green and ready to brew?


Should be about 8-15 mins depending how cold the water was. Here are the instructions: Aloha! ukeboy57

http://www.bunn.com/sites/default/files/care-and-cleaning/43460_0002d_mycafe_use_care_manual_english_0.pdf

Feb 04, 2017 | Bunn Coffee Makers & Espresso Machines

1 Answer

My bunn cafe red light flashes does not take water to tank nnot heating either. why?


my bunn has 2 switches one on the left side to keep it HOT and the front one when brewed to keep it hot . the side switch if off will not heat the water and will not let the front heater be turned on either which is lighted

Dec 14, 2015 | Bunn My Cafe MCU Universal 4-in-1 Single...

1 Answer

My Bunn coffee pot seems to pour out so quickly. The grounds come out the back and all over the counter and in the coffee.


I have had this happen when I used non bunn filters . perhaps they non bunn are too small thereby letting the water run over the top My bunn takes 3 minutes when it's clean to brew 12 cups .

Jan 12, 2015 | Bunn Coffee Makers & Espresso Machines

1 Answer

BUNN MY CAFE BAD TAST WITH COFFE OR HOT COCO


Try really cleaning the basket that the water and coffee or cocao goes into. If you don't really clean it well, it will have the taste of the last thing brewed mixed in with the new brew. Coffee followed by coffee should not be a problem, but coffee followed by cocao will give the cocao a coffee taste, and visa versa.

Nov 21, 2013 | Bunn My Cafe MCU Universal 4-in-1 Single...

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Bunn coffee maker, no hot water


thermal fuse is blown. it is located in the top, right rear of the machine in what is now browned tubing. you can either bypass the fuse with a jumper, or get a new part through bunn (800) 352-BUNN (2866)

Mar 16, 2013 | Bunn CWTF35

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