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Keurig K40 Open/Close Sensor Replacement

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  1. Keurig K40 Open/Close Sensor Replacement, Top Water Pump: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Begin by removing the top cover from the device.

    • Remove the cover by gently rocking it back and forth with an emphasis on lowering the left side underneath an internal peg.

    On our K50 Elite, the lid is held on with 2 screws, and two tabs (which I broke off) near the rear. I think to remove the lid, you first take out the 2 screws, under the cover on the front, and then slide the lid backwards to clear the tabs. I attached the rear of the lid by 2 spots of hot glue where the tabs used to go. I also removed the handle before removing the lid.

    texboydmoore - crwdns2934203:0crwdne2934203:0

    Thanks guys, this was super helpful

    Caleb Baker -

    Same with my k40, have to remove two small screws in top front than slide top back. Came right off. After I tried rocking for 1

    Half hr .

    jamesmurphy952 - crwdns2934203:0crwdne2934203:0

    The K40 unit I was trying to fix was leaking from the top inside the unit. When I took it apart (rocking did not work, there were two screws under the front and it slid back easily when they were removed) the curved piece with the reinforcement housing was loose so that water was pumped into the housing whenever coffee was being made. That resulted in a flooded counter and a tripped circuit breaker!

    I ran a zip tie from the crossbar of the reinforcement assembly to a brace on the tank and that made it much less likely to come loose and now the Keurig works as it was meant to do.

    Betsy Knutson53 - crwdns2934203:0crwdne2934203:0

    Clarification: The curved piece of tubing with the reinforcement housing was loose.

    Betsy Knutson53 - crwdns2934203:0crwdne2934203:0

  2. Keurig K40 Open/Close Sensor Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Unscrew both 1.5mm screws located on the water pump.

    That is not a water pump- it i a check valve!

    Paolo Alberto - crwdns2934203:0crwdne2934203:0

  3. Keurig K40 Open/Close Sensor Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Keurig K40 Open/Close Sensor Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Keeping one hand firmly placed on the device, tug upwards on the water pump until it is separated from the device.

    • The water pump and pipe should now be loose and easy to move as shown.

    *before tugging upwards on the elbow tube, which is currently slid onto a black hard plastic tube, there is a compression ring made of similar clear tube material that should be slid up, so that the compression ring is NOT compressing that clear tube on to that black hard plastic tube. When the compression ring is slid up and not compressing anymore, it will be much easier to pull the elbow tube off (and put on) [I think I used x2 spoons to get down in there and evenly pull/slide the compression ring up. Note: I gently used a flat screw driver to put the "flat" at the very bottom edge of the clear tube to help slide it off and use the screwdriver like a teeter-todder which helped push the clear tube up, as I pulled the elbow tube off. -When ready to install, slide the clear tube back onto the black hard plastic tube all the way down, and THEN slide the compression ring down onto where both tubes are now overlapping, ensuring the clear tube is compressed by the compression ring onto the black plastic tube.

    John Smith - crwdns2934203:0crwdne2934203:0

  4. Keurig K40 Open/Close Sensor Replacement: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Keurig K40 Open/Close Sensor Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Pull on the point where the pipe meets the water pump.

    • The pipe will come loose and the water filter will be free and ready to be replaced.

    My keurig doesn’t pump any water what is wrong

    mastahl - crwdns2934203:0crwdne2934203:0

    What you just pulled out is NOT the water pump, nor is it a filter.  It is a check valve,.  A check valve a device that allows water to flow in only one direction.

    The filter is located in the external water tank.  The pump is located inside the Keurig and is not readily accessible.

    Elmo - crwdns2934203:0crwdne2934203:0

    Great guide but I think it should be renamed… It’s not a Pump that this guide talks about, it’s a Check Valve.

    Monte87 - crwdns2934203:0crwdne2934203:0

  5. Keurig K40 Open/Close Sensor Replacement, Open/Closed Sensor: crwdns2935265:05crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Keurig K40 Open/Close Sensor Replacement, Open/Closed Sensor: crwdns2935265:05crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
    • Using a #2 Philips head screwdriver remove the 1.2mm screw holding the sensor in place.

    • Locate where the connections are soldered to the sensor

  6. Keurig K40 Open/Close Sensor Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Melt the solder that is connected to the sensor.

    • Be careful to avoid any rubber and try to only contact the metal making the connection.

  7. Keurig K40 Open/Close Sensor Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:01crwdne2935265:0
    • Put the replacement sensor back on the post that holds it and begin to solder the two metal connections back to the sensor.

    • Be careful not to touch the end of the soldering iron.

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To reassemble your device, follow these instructions in reverse order.

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jonathan

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USF Tampa, Team 6-1, Eyestone Spring 2016 crwdns2935289:0USF Tampa, Team 6-1, Eyestone Spring 2016crwdne2935289:0

USFT-EYESTONE-S16S6G1

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Where can I get the open/closed sensor? I called Keurig and they told me they don’t handle them.

John Fictum - crwdns2934203:0crwdne2934203:0

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