Keurig K40 Open/Close Sensor Replacement

Introduction

In this guide the user will open the top unit of the Keurig and replace the sensor that tells the device if the head unit is open or closed.

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Étape 1 Top Water Pump

Keurig K40 Open/Close Sensor Replacement, Top Water Pump: étape 1, image 1 de 1

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.

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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 - 9 janv. 2017 Réponse

Thanks guys, this was super helpful

Caleb Baker - 1 mai 2019

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 - 21 oct. 2018 Réponse

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 - 28 nov. 2019 Réponse

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

Betsy Knutson53 - 28 nov. 2019 Réponse

Étape 2

Unscrew both 1.5mm screws located on the water pump.

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

Paolo Alberto - 31 mars 2023 Réponse

Étape 3

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.

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Étape 4

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.

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My keurig doesn’t pump any water what is wrong

mastahl - 4 mars 2019 Réponse

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 - 7 juil. 2019 Réponse

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 - 11 juil. 2020 Réponse

Étape 5 Open/Closed Sensor

Keurig K40 Open/Close Sensor Replacement, Open/Closed Sensor: étape 5, image 1 de 2

Keurig K40 Open/Close Sensor Replacement, Open/Closed Sensor: étape 5, image 2 de 2

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

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Étape 6

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.

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Étape 7

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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