Black and silver single cup coffee maker with water reservoir on the left hand side.

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Keurig K40 not brewing

Heats up, cup lights flash, press any cup size, hear rotating noise and then nothing. Couple minutes later all three lights come on.

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Black Friday
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Harry Gray, could be caused by a clogged line or valve. Clean the valves and the line by using this guide

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While this detailed instruction is appreciated, a WARNING would be it is difficult to reassemble some of these parts, particularly rescrewing the reservoir filter and realigning and rescrewing the top covering. Also, this fix does not address the "machine gun" sound our K40 makes.

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Worked like a CHARM!!!

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It comes on heats the water can hear pump running nothing comes out to cup

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the best ay to fix all problems with this machine is to first fill the water reservoir up to but not past the max fill line. After filling reservoir with cold clean water, drop your cell phone into the reservoir with the water. The Keurig machine is just lonely and wants to call home, which it will do using your cell phone...... wait approximately 17 minutes and 16 seconds and then remove your phone from the water reservoir. Now your machine will make really good coffee

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Harry Gray will be eternally grateful.
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