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Coffee brewmaster released in 2013. The Keurig K40 is a k-cup compatible coffee maker.

31 Questions View all

Why are all of the lights blinking on the Keurig?

When I turn the Keurig on, all of the indication lights are on and blinking. The Keurig will not produce any coffee when these lights are on.

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17 Comments

I checked the filter, it is fine. All lights still blinking.

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All the blight keep blinking.... I cleaned out , Did cleaned out tank and put fresh water in there. Still blinking ???????

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i got water in my keuring coffee maker now all lights are blinking wont work or shut off

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Same help me fix it. Please also taking it water threw frother

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Just solved mine by cleaning the main larger needle at the top of the handle with a piece of wire. Very simple.

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9 Answers

Chosen Solution

This could potentially be from a problem with the water filter in the tank. Try emptying the tank and readjusting the filter. Sometimes the filter can be shifted when filling and not allow the water to properly flow and give you this display.

Here is a link to the Troubleshooting page. Refer to it for more information.

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18 Comments:

Mine keeps on blinking on and off

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Mine is doin that to...how can i fix it?? I NEED COFFEE

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push the auto power off at the same time you push both brew buttons

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I’m just so upset mine is all blinking fast the lid either pop open or it wasn’t closed and now I can’t do anything unplug and plug back in lights still blinking fast all of them power and three cup lights

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Thank you epipro! That combo of buttons being pushed worked perfectly!

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Most Helpful Answer

Tried solutions tried cleaning the filter resetting the machine an the lights were still blinking. Had to clean the needle out.To do this get a standard plastic reusable straw put it up over the needle and blow as hard as you can repeatedly several times. Machine now works fine. Ran three full tanks of water through works perfectly every cup. The needle is the little metal spike that puts the top hole in your kcup. Lift the handle and look under the top , flashlight will help. Hope this helps, only thing that worked for me

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13 Comments:

Didn't work for me. =(

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Thank you! It worked!

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Thanks a lot!, Works great now!!

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Cleaned everything reseated filter cleaned the needle. Plug it in and all lights are blicking cant turn off hold power nothing

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push auto off and two cup sizes at the same time. that will fix it!

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Press the AUTO OFF AND TWO CUP SIZES BUTTONS AT THE EXACT SAME TIME! THAT WILL FIX IT!! LET ME KNOW!

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9 Comments:

It turns off the lights but when I power back on same issue with descale light. This is a brand new never been used Keurig!!! Maddening!

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Same here. Cleaned it, use a paper clip, pushed two buttons with the power button, lights are off but will not turn on. Unplugged it turned it back on, all lights are on but not working. It all started when I tried to clean it with some vinegar. About 4th one I've owned in the past 10 years. Going back to the old coffee pot.

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Have you checked and cleaned the needles on the top and bottom? When they or just one becomes clogged, that will cause a malfunction. Also let it set unplugged for a day or so after checking the needles. I hope this helps you and you're able to enjoy the fresh brew that only Keurig can give.

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Also be sure you raise and lower the mechanism that holds the pods!! That makes a big difference.

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That does not work. I found buying a different brand coffee maker does the trick!

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Our Keurig did the same thing after doing a cleaning. Put it on the shelf for a month or so, then plugged it back in and it worked! I think some moisture got into the electronics and the month of shelf time let it dry out.

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Press the AUTO OFF AND TWO CUP SIZES BUTTONS AT THE EXACT SAME TIME! THAT WILL FIX IT!!

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This one s the only thing that worked for me .

Get a bendy straw, put 1 end over the piercing nozzle in the top of the Kuerig lid, hold the straw tightly against the nozzle and blow into the straw. It took me several times but it did work and I have used this method a couple of times and it worked great

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There is a small push pin type switch the lid pushes when it closes. That allows the brew cycle to start. This is not happening on mine, so I placed a small nut on it so the lid will push it down. It works, but how was it designed to work?

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Just ran vinegar through it a few times, and then xlear water to rinse. And the stupid thing stop working. All lights blinking

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If all lights (add water, heat, and medium cup size buttons) on your Keurig coffee machine keep flashing, then there might be a problem with the water filter or the needle.
Try Cleaning Water filters first if that doesn't work then clean the needles. Hopefully, it will solve the problem. This article might help you:
Why My Keurig Lights blinking

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6 Comments:

What if the kurieg gets really cold

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Only the 2 small lights on the bottom are blinking but no coffee is being made.

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Water is already in the tank.

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Everything is set up and ready to go

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What’s supposed to happen now?

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Andrew Bornemann will be eternally grateful.
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