Question about Keurig B100 Coffee Maker

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How to open the Keurig b100 case

My b100 has also stopped pumping water. How do I open the case? I've unscrewed the top screws on the bottom back, near the plug and I've unscrewed the six screws on the bottom. The case is partly loose but I can't seem to find a way to remove it. There are some screws on the top front, under the k-cup holder but they're very tight and I can't loosen them. They also seem to be a different type and my various phillips screwdrivers can't budge them.

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SOURCE: Keurig B100 flashing not ready

I need to Know What is the color light in seeht gauge tube, Yellow Flash Need to be descale, if red solid or flashing is a heating probleme. If red flashing in seeght gauge tube is usaly the temperature sensor probe is fail. and for the moment i Have not found similar parts to replace but i work on it.

Posted on Jun 12, 2007

  • 1 Answer

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: Delivers only small amount of coffee per brewed cup

This is a scale issue. All water has minerals wich builds up inside the brewer through time. All you need is white distilled vinegar. Drain the Keurig first and then fill it with the vinegar. After the heat reaches brewing temperature, open and close the drawer to run off a few blanks (3 to 4 cups is plenty). This will prime the vinegar though all the lines. Refill the tank to the top with more vinegar and let the brewer sit (on) over night. The next morning, run off more than half of the vinegar. You should see the cup sizes drastically increase. Within a few cups, you should be getting close to the original 8oz cup. Repeat a few times for good measure. Drain the remaining vinegar, then flush a couple full tanks of good water through it. After all remnants of vinegar is gone, your brewer should work like new.

Posted on Jun 25, 2008

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SOURCE: Keurig B100 not pumping a cup of water through

After dismantling the B100 and trouble shooting the machine I determined that the hose leading to the air pump on the right side of the B100 allowed water to back flow into the motor. The small amount of moisture eventually caused the motor to fail.

I had to find a scrap machine, which most people that have bought this piece of equipment have just thrown it in the trash, and remove the motor from the opposite side which still functioned. Since it is designed to mount to a specific side I had to appoxy the motor into place. To keep the problem from occuring again I purchased a check valve from a local pet store and put it in-line with the motor.

This solved the problem at the source and has prevented moisture from getting into the motor. Now I am a proud owner of a Frankin Pot. It's alive!

Posted on Oct 22, 2008

  • 1 Answer

SOURCE: Broken K-cup Holder (part E) on Keurig B60

I emailed customer service (link on the Keurig website) and they got back to me in less than 24 hours. If you give them the serial number on the bottom of the brewer they will mail you a new K-cup holder!!

Posted on Oct 23, 2008

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2 Answers

Will not brew, water runs back into reservior


Your pump is seized, call keurig for a replacement at 866-901-BREW.

If you're out of warranty, the repair instructions are as follows:

1) Unscrew the screws securing the k-cup arm top piece to the frame (look at the top needle, the screws are right by that)
2) Pull out the body piece, unscrew the 2 screws that secure the top cover to the unit. Pry up at the area near those screws to pop the top piece up more.
3) Remove the top cover from the brewer by removing the 4 securing clips (shine a flashlight into the gap, use a long screwdriver to disengage the clips). There is 1 on the left, 1 on the back side left, 1 on the back side right, and 1 on the right. Start on the left.
4) Remove the 2 screws above the LCD and the 1 screw on the opposite side. These secure the back cover to the unit.
5) Remove the bottom metal cover (you do not need to unscrew the rubber feet).
6) Remove the screws that secure the plastic frame to the bottom of the unit, the screws are located around the perimeter of the unit, there are 1 or 2 located in the center of the unit Remove the bottom pump for the water tank. Pry the frame out, be careful of the pump you just unscrewed.
7) Slide the back cover downward, and push it outward. Remove the back cover from the unit, or at least get it out of the way.
8) There is a small pump located on the lower right corner of the unit (underneath the transformer) Remove that, and disassemble it by removing the 3 screws on the bottom, and then the 2 screws located underneath the plastic layers.
9) Wash the pump with isopropyl alcohol, you may need to shake it or manually turn the pin to make it work. Test it using a 12V power supply.
10) Reassemble!

Dec 31, 2010 | Keurig Platinum B70 Coffee Maker

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Keurig B100 coffee maker not brewing


KeuSymptom: keurig B100 coffee maker not brewing. If your brewer sounds like it should be brewing but little or no coffee comes out, the problem may be a simple malfunctioning check valve, located on the right hand side of the unit under the plastic cover. If the check valve is clogged or fails, water from the tank leaks into the air pump (located just below the valve) disabling the pump.

The pump that pushes the water out of the tank located on the right hand side of the unit (I included a photo) has a check valve just above it. On my unit the check valve failed allowing water to enter the top chamber of the pump disabling it. The pump was not damaged it just cannot operate correctly with water in it.

Here is the Fix: Disconnect the check valve and make sure it is operating correctly. Mine was clogged with a small amount of mineral deposits, which was cured by a half hour in a glass of vinegar, and a good rinse. Then disconnect the tubing from the top of the pump and run the unit to allowing the water to escape the pump. Make sure there is no water left in any of the tubing between the pump and the check valve, even the smallest amount will disable the pump again. Reconnect everything and it should work.



Good luck and if you find this helpful remember to thump up vote itc3bb7bf.jpg

on Aug 16, 2010 | Keurig B100 Coffee Maker

1 Answer

My Keurig (one year old) does not brew a full cup (I have it set for the largest cup setting) and it only brews approx 4 oz. then stops.?


1. Power off machine.

2. Using a metal paperclip, insert it into left side of top needle. It must insert at least 1" deep. Insert it into slot on right side and again from back of needle.

3. Remove KCup cradle. Separate bottom from top. In the top section, insert the paperclip up into bottom needle from the bottom upwards. It will not go all the way thru and this is normal.

4. Reassemble KCup cradle and reinsert it back into coffee maker.

5. Power on machine.

6. Brew a cup of water only. There may be coffee grounds in the water and these should eventually clear during the remaining steps. NOTE: A large cup brew cycle should output a full 8 ounces (235cc). Less means there is still a blockage

Oct 03, 2010 | Keurig B100 Coffee Maker

2 Answers

Platinum B70 keurig coffee maker water heats up but won't allow the water to dispense into cup for coffee?tea


1. Power off machine.

2. Using a metal paperclip, insert it into left side of top needle. It must insert at least 1" deep. Insert it into slot on right side and again from back of needle.

3. Remove KCup cradle. Separate bottom from top. In the top section, insert the paperclip up into bottom needle from the bottom upwards. It will not go all the way thru and this is normal.

4. Reassemble KCup cradle and reinsert it back into coffee maker.

5. Power on machine.

6. Brew a cup of water only. There may be coffee grounds in the water and these should eventually clear during the remaining steps. NOTE: A large cup brew cycle should output a full 8 ounces (235cc). Less means there is still a blockage

Sep 15, 2010 | Keurig B100 Coffee Maker

1 Answer

I just bought a keurig model b100 an the water does not come up the tank into the brew cup an was wondering how to fix it


check inside if the water line is not pinched . you may need tools a cross point screw driver and such

Mar 14, 2010 | Keurig B100 Coffee Maker

1 Answer

Keurig b100 does not shoot water in the K-Cup, It


Either it is scaled up and needs to be cleaned or the air pump is bad.

Nov 08, 2009 | Keurig B100 Coffee Maker

1 Answer

No longer pumps water


I have fixed a couple of them by applying a thin layer of keg lube to the silicone flange underneath the water tank. Remove the bottom cover of the brewer and take out the two screws that hold the flange in place. This is where the pump draws water from the tank. Air can get in at that seal and it won't pump water if that happens. Keg lube will make it seal better. I got mine at Annapolis Home Brew dot com. Hope that helps!

Jun 23, 2009 | Keurig B100 Coffee Maker

3 Answers

My B100 Keurig stopped pumping water


This is a very common problem, just call Keurig tech support. Explain the problem and they will send you a replacement unit and you get to keep you old partially functional unit. I bought mine in December 2009 and I'm on my 3rd unit already. They keep having the same pump issue and Keurig just keeps sending me replacement units. Their customer service is great, but I'm beginning to question their quality control.

Aug 24, 2008 | Keurig B100 Coffee Maker

1 Answer

Keurig b100


It sounds like one of two things happened when you disassembled the unit. Either the hose that controls the mechanism for the piercing arm (the part that puts the holes in the k-cup) became disconnected or pinched, causing the water to pour out over/around the k-cup. Or the k-cup holder is clogged or not seated correctly, which would cause the same problem. As for the little button you may have pushed, that can't cause the problem you're experiencing, so don't worry about that. Good luck, let me know if need more help. Erik

Jun 25, 2008 | Keurig B100 Coffee Maker

1 Answer

B100 only dispences about 2 ounces of water


I removed the top from the hot water tank & repaired the split hose on the intake side. I also disassembled the the right side air pump & freed up the motor that was frozen. apperantly the check valve leaks very slightly & causes some rust build up on top of the pump motor. Should any one need a new motor you can find a universal hobby motor that you could make fit. these motors run on 3 to 18 volts which should be ok. After the repairs I did a good cleaning with whit vinagar. The machine now works as good as new. Hope this helps out other people with the same problem.

Frank Urbano

May 21, 2008 | Keurig B100 Coffee Maker

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