Question about Keurig Elite B40 Coffee Maker

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Does not dispense water unless you pinch vent in water tank.

After pressing BREW, water does not dispense. At the end of the cycle, the coffe maker pupmp would come on as expected and would try to refill it's internal tank - but would stop quickly and the display would soon show READY and only the largest cup icon in the display. Trying again, and noticing water dripping fron the vent in the reservoir, I plugged the vent during BREW and coffee started coming out of the dispenser. If I do this everytime, plug vent during BREW and leaving it alone during the pumping, it seems to work Ok. Any ideas?

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If your Keurig is putting water out the vent and back into the reservoir. Open the front, using a flashlight and a toothpick, clean the coffee grinds out of the little hole in the needle that pierces the K cup. When it becomes clogged with grinds the water either has to come out the vent or the coffee maker will burn out. It is a safety mechanism.

Posted on Feb 15, 2011

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It sounds as though the valve between the resevoir and the vent may be bad or stuck in the open position. If you read my earlier posts this would stop any vacuum from being created in the resevoir until you "pinch" off the vent. Changing this valve is tricky but very doable. The problem is getting parts which is near impossible. If you have or had a warranty call Keurig direct.

Posted on Mar 05, 2009

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