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Keurig water chamber flashing blue lights - Keurig Platinum B70 Coffee Maker

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: keurig b100

I think that the unit senses its emptiness via an optical device that triggers when the red indicator ball hits the bottom of the tube. It could be that the tube is dirty from deposits (calcium or whatever,) fooling the B100 into thinking the ball is still at the bottom.. Basically you'd have to open up the machine and see whats what, the tubes can be cleaned but if it is a defective sensor you wouldn't be able to get a replacement, but you could probably jury rig a way to defeat the sensor itself.

The units are serviceable if you are handy, but it isn't as simple as replacing a fuse...

timurf@netzero.net

Posted on Nov 29, 2007

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SOURCE: Keurig B60 coffeemaker stopped pumping water

This morning my Keurig sounds like it begins to pull water then stops. I tried to cut it off then back on. Still didn't work.Removed water from reservoir and K-cup and added pure vinegar. Ran machine several times without filter or Kcup by pressing cup selector several times. You must open K-cup holder and close each time. I had to do this about a dozen times before the water began to draw again. Flushed system by filling water reservoir with fresh water, and brewed just plain water until vinegar was gone.Works like brand new.

Posted on Jun 21, 2009

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SOURCE: Keurig after filling cup fails to pull water from reservoir

There is a major design defect with all the newer Keurigs, including the B60 and the B70/B77. My understanding is that Keurig has redesigned the pump mechanism that extracts water from the reservoir and into the brewer (there's a second pump that forces the hot water through the K-cup, and it's not involved). They are now using a small DC motor and impeller pump, which is much quieter (to address complaints in many reviews) but the new design just doesn't work.

It appears that air gets into the system, and the new pump isn't strong enough to "self-prime" in this case. So the pump motor runs and runs without water going through it, and eventually turns itself off so it doesn't burn out (it should usually take only a few seconds to fill the internal tank). Many people think the problem centers around the 'check valve' in the base of the unit, just below where the clear reservoir seats itself: Theory is that the tiny pump can't pull hard enough to open the check valve to let water flow, especially when there's any air in the system.

I've had two B77 units already myself, and both have failed this way within only a few weeks. FWIW, the workaround I discovered is to turn the unit on, and lift up the water-filled reservoir about 1-2" as if you're removing it. Then jam it back down into place, hard and fast. Doing this injects just enough pressure into the system to open the check valve, and if the pump motor is running, you'll hear (and see) it immediately start transferring water from the reservoir to the chamber. You'll often have to do this between each cup you brew, and again when you first turn on the system.

There are hundreds of similar reports all over the Internet about this issue, and apparently no real solutions from Keurig yet (I don't even know if they're acknowledging the problem). Other symptoms include brewing half-filled cups of coffee, as others on this forum have reported.

I suggest everyone call Keurig's customer service and file complaints about this until they come up with a fix. Don't let them tell you it's a problem with your AC power or your hard water (they'll try excuses like tthose first). And until they redesign this, there's not much point in having them ship you a refurbished replacement for your brand-new machine, because chances are it will quickly fail just like your old one.

Posted on Jan 30, 2010

Testimonial: "This is my problem to a "T". I will contact Keurig directly. I love the brewer just wish it would work."

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1 Answer

Our brand new keurig mini plus wont heat or dispense water


I had the same problem with my Mini ! I also had this problem with my last Mini which was given to me and I tossed out. So I replaced with the new one which just went on the fritz. Called Keurig who were very helpful and told me to descale, but I explained the machine is almost new. So I prodded them for what else could cause the problem and its water that is too cold.

Turns out the problem is that I was using very cold water and the machine can sense the water is cold and will not heat. It does not heat so it wont damage the heating element. I was using 40 degree water from the fridge.

My symptoms were: I would fill it, that the blue light would flash, I would push the button, then the red light would flash and then nothing it would shut off after a while. Now with not so freezing water it works fine!

Hope this helps as I threw out a good machine because the water was too cold!

Jan 22, 2013 | Keurig Mini B31 Plus Red Coffee Maker

1 Answer

Why is the prime light on?


You lost the suction and prime necessary to transport water to the tank.

May 02, 2012 | Keurig Platinum B70 Coffee Maker

1 Answer

The kurig brewer will not pump the hot water after pushing flashing blue ready light


Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

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Aug 12, 2011 | Coffee Makers & Espresso Machines

1 Answer

We are trying to get it started for the first time and the blue light is constantly on, but will not flash.


Hi,

There is air in the lines and it is blocking the water flow...
Here is a tip that will help you getyour Keurig to prime...

Keurig CoffeeBrewer will not prime
heatman101

Jun 17, 2011 | Keurig B100 Coffee Maker

2 Answers

Just purchased the Elite Keurig and followed the setup instructions. On step 8 it says to press the flashing blue light, both lights are lit up with a solid blue, neither are flashing. I went ahead and...


This should be a relatively simple solution. 1. Ensure that water is in the tank and filled to the top. 2. Raise the lid of the machine with the silver handle and insert a K Cup or just raise and close for hot water. 3. Blue light should now be flashing to indicate the machine is ready for use.

Apr 29, 2011 | Keurig Elite B40 Coffee Maker

1 Answer

While trying to run through the set up steps, both the Small Mug and Large Mug buttons stay blue rather than flashing. After switching to a dedicated outlet, the Small Mug button finally started flashing,...


I just bought a Keurig Elite B40 Coffee Maker myself, had same issue, Caledl Keurig support, problem solved in seconds. Seems an import step was left out of instructions. The step before the blue lights flash, RAISE THE SILVER HANDLE ALL THE WAY UP AND THEN CLOSE. According to Keurig this tells the brewer that a human is present and aware the brewer is running, a safety feature. Be sure you have a cup in place.

Mar 08, 2011 | Keurig Elite B40 Coffee Maker

1 Answer

Just bought B40 unit and in the initial set up there is no flashing blue light, just a blue light. Is this unit a lemon?


flashing blue lite means tank is out, or needs water..if you have water in tank re-seat the tank

Dec 19, 2010 | Keurig B60 Coffee Maker

1 Answer

Flashing Blue Light


I have found that if I turn off the machine for a few seconds and turn it back on, the burner seems to re-energize strongly and the water heats and a few minutes later, it seems as good as new. I know that this is not the the technical solution to the true underlying problem, but it keeps my old machine in the game.

Mar 17, 2009 | Keurig B100 Coffee Maker

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