only brews small cups regardless of setting
My Keurig has started to brew small cups of coffee regardless of the setting it have it on. I usually make a large cup of coffee. I have cleaned it as per the directions to no avail.
Chuck McCabe, I just finished fixing one from a buddy's shop. Same issue, no matter what it would only brew 4 oz at a time and took forever to do so. I did a few things. First I removed the plastic holder that holds the K-cups.
This one is simply pulled straight up, but had a bit of resistance from some spring clips.
On the bottom of that is a tapered needle that pokes the hole into the bottom of the K-cup. On the side of it is actualyl a small hole. Use a paper clip (or in my case I used a needle) and stick it in there to remove any scale, coffee grounds etc. As you can see from the first pictures, there will be a lot of coffee in and around it.
Next you need to clean the top needle. It's a bit trickier since it is somewhat hard to reach around the sides. So open the Keurig all the way, and again use a needle or paper clip. There will be three holes around the needle.
At this point I tried to see if it would finally brew a 12oz. coffee which it did not. Next I concentrate on the water intake. Remove the tank by simply pulling up on it
On the bottom of the tank is a filter and a check valve. I removed the three Phillips screws from the filter and removed that from the tank. I cleaned it with some running water and an old toothbrush. It's a bit tricky to remove since you will need a long Philips screw driver. As a finally step I wanted to check the water supply to the needle for the top of the K-cup. If you take a look at the part where the top needle is mounted, you will see two Phillips screws that hold the top cover on. Remove those.
Slightly lift and pull the top cover out.
with the cover removed you can see where the water comes from the boiler through a check valve and then to the K-cup Needle.
If that check valve has scale, sediments or other contaminants in it, it will not let the water get through properly. Unhook the check valve from the connector above the K-cup needle and remove the tie straps. Now you can remove the check valve. Try to blow in it from the boiler side and it should open. Do that a couple of times to loosen any sediments etc. I also run some hot water from the K-cup side into the check valve and shook it up. I did get quite a bit of debris out of that. Once I had it cleaned, I reassembled the valve, hoses and cover. I did replace the tie straps as well. Once fully reassembled, I did get the Keurig to brew 12oz 25 times in a row:-). Guess I fixed it. Biggest issue with this repair are the need for a long Phillips #2 to remove the screen from the tank, and to reassemble the two screws for the top cover. I did turn the Keurig upside down to get gravity to help me reinsert the screws. Hope this will work for you as well as it did for me.
I had the same problem, I fixed it by cleaning the screen in the valve at the bottom of the water reservoir, the valve is spring loaded. The easy way is to get a bendy straw, cover the valve with water, hold reservoir up so that you can push bendy straw into bottom of valve then blow with your mouth until air and bubbles flow through the valve. You may get a little damp but not too bad. This fixed my Keurig immediately.
I removed 3 screws, took out filter and cleaned.............now there is no way I can get screws back in????
My Keurig (100 series) started doing this rather suddenly. Once day it was fine and then over a few days it suddenly started brewing 3 oz cups. The worst decrease in performance came when it had just gone unused for 3-4 days (I was away). Before that I was getting 4-5 oz cups. The coffee also isn't very hot, more like lukewarm.
I use filtered water and brand kcups.
Maybe these clues will point out what my problem is. It seems like any kind of build up or blockage would happen gradually over time, not all of a sudden in a few days.
One tip for those with this problem: keep running the Keurig through its cycle with the same kcup. You'll eventually get a full cup of coffee but it takes a while. Then you have to put it in the microwave to heat it up. Temporary rigged fix.
Thanks for any help.
my keurig experience: wife insisted i clean machine.
run tank of 50/50 white vinegar and water thru machine.
run tank of rinse water thru machine.
now machine makes only 1/2 cup cause the crap the vinegar loosened now clogs the hypo piercing needle,
which pokes a hole in the top of the k cup
coffee now tastes worse than crap, and only a 1/2 cup
ran another 50/50 solution thru machine, cleaning the 3 orifice holes in discharge piercing needle each cycle with paper clip
poke each orifice each cycle
rinse using a whole tank (cup size is low each time after pulling/ replacing tank, it improves)
made a great cup of coffee but tossed half of it cause its time for a beer
I asked the time and you’re telling me how to build a watch!! I have no time to rip apart my Keurig and clean out clogged pin settings and other such non-sense. I’m going back to Mr. Coffee!! LOL!!
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