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

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

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