Keurig coffee makers are beloved for their convenience and speed, but occasionally, you may encounter problems that prevent your Keurig K-Select K80 from working properly. Whether your coffee maker isn’t brewing, the water isn’t heating up, or you’re experiencing other issues, this comprehensive troubleshooting guide will help you resolve the most common problems step-by-step.

Why Your Keurig K-Select K80 Coffee Maker Isn’t Working
Before jumping into troubleshooting, it’s essential to identify why your Keurig K-Select K80 isn’t functioning as expected. Some common problems include:
- Grounds clogging the coffee maker
- Water reservoir not properly seated
- Scale build-up that affects performance
- Electrical or power issues
- Issues with the coffee maker not brewing a full cup of coffee
This guide will walk you through diagnosing and fixing these issues, ensuring your coffee maker is up and running again in no time.

Step-by-Step Troubleshooting for Keurig K-Select K80
Cleaning the Needles
Why Is It Important?

Coffee grounds can accumulate in both the entrance and exit needles of your Keurig machine. When this happens, water can’t flow properly, leading to issues such as poor brewing, partial cups, or even complete failure to brew.
How to Fix It:
- Exit Needle Cleaning:
- Use a straightened paperclip or similar tool to gently clean out the exit needle of the K-Cup® pod holder.
- If the needle is clogged, it will restrict the flow of water, resulting in a weak or incomplete brew.
- Entrance Needle Cleaning:
- Clean the entrance needle by following the instructions provided in the manual. If the entrance needle becomes clogged, it can disrupt the brewing process as well.
Descaling Your Coffee Maker
Why Descale?
Over time, calcium deposits from the water (known as scale) can build up inside your coffee maker, particularly in the heating element and other internal parts. This scale is non-toxic but can cause the coffee maker to function poorly, resulting in brewing issues or even total failure.
How to Descale:
Descaling should be done every 3-6 months, depending on your water’s mineral content. If you notice reduced performance or a slow brewing process, it might be time for a descaling.
Descaling Procedure:
- Step 1: Descaling Solution Rinse
- Pour the entire bottle of Keurig® Descaling Solution into the water reservoir.
- Fill the empty bottle with water and pour it into the reservoir as well.
- Press the power button to turn the coffee maker on.
- Place a large ceramic mug on the drip tray and initiate a brewing cycle using the largest brew size. Repeat this process until the water reservoir is empty.
- Step 2: Rinse and Repeat
- After completing the descaling solution brew, empty the water reservoir and refill it with fresh water (up to the MAX fill line).
- Perform 12 rinsing brews without using any K-Cup® pods, ensuring the scale buildup is thoroughly flushed out.
- Step 3: Fresh Water Rinse
- Repeat the rinsing process as needed, refilling the water reservoir until it is completely clear and free of any leftover solution.
Tip: If you notice foam or little output during descaling, this is natural as the descaling solution reacts with the scale. If the solution fails to dispense properly, turn off the machine, discard the contents, and repeat the rinse.
Water Reservoir and Brewing Issues
Water Reservoir Not Seating Properly

Why It Matters:
If the water reservoir is not seated properly in its base, the machine won’t function correctly. This can result in error messages like “Add Water” or failure to brew.
How to Fix It:
- Ensure that the water reservoir is filled to the MAX fill line and seated properly in the machine.
- If the “Add Water” light is illuminated despite adding water, make sure the reservoir is aligned correctly with the base.
Brewing Issues: Partial Cup or No Brew

Problem:
Sometimes, your Keurig K-Select K80 might brew only a partial cup or fail to brew entirely.
How to Fix:
- Clogged Needles:
- Follow the steps for cleaning the entrance and exit needles, as clogged needles are often the cause of partial or non-existent brews.
- Water Reservoir Removed:
- If the water reservoir was removed during brewing, place it back properly and try brewing again without a K-Cup® pod.
- Descaling:
- If you haven’t descaled your coffee maker recently, this could be a sign that scale is building up. Run through the descaling process again.
Note: If after descaling twice, the issue persists, it may be time to contact customer support for further assistance.

Coffee Maker Won’t Power On or Shuts Off Suddenly
Power Issues
Why It Happens:
If your coffee maker isn’t turning on or shuts off unexpectedly, it could be a power issue or a setting on the coffee maker.
How to Fix:
- Power Button Not Pressed:
- Ensure that the power button is properly pressed and the coffee maker is powered on.
- Circuit Overload:
- Make sure that the coffee maker is plugged into its own dedicated outlet. Avoid using an overloaded power strip.
- Auto Off Feature:
- The Keurig K-Select K80 has an Auto Off feature that turns off the machine after 2 hours of inactivity to conserve energy. If this feature is enabled, check the settings and disable it if needed.
Tip: If the coffee maker continues to have power issues despite the steps above, you may need to consult customer support.
General Troubleshooting Tips
Check the Electrical Outlet
If your Keurig K-Select K80 is plugged in but still won’t power on, try plugging it into a different electrical outlet. Sometimes the issue can be as simple as a faulty outlet.
Check the Brew Size and K-Cup® Pod Placement
Make sure that you’ve placed the K-Cup® pod correctly in the holder and selected the appropriate brew size. If the coffee maker is not brewing as expected, it could be due to incorrect settings.
FAQs: Keurig K-Select K80 Troubleshooting
Why is my Keurig K-Select K80 not brewing?
This could be due to clogged needles, a water reservoir that is not seated properly, or the need for descaling. Follow the troubleshooting steps above to resolve the issue.
My Keurig K-Select K80 is brewing a partial cup. What should I do?
Try cleaning both the entrance and exit needles. If the issue persists, perform a descaling procedure, as scale buildup can block water flow.
How often should I descale my Keurig K-Select K80?
You should descale your coffee maker every 3-6 months, depending on the mineral content of your water. If you notice reduced performance, it may be time to descale earlier.
My Keurig K-Select K80 shuts off by itself. Why?
This could be due to the Auto Off feature. If the machine is idle for more than 2 hours, it will automatically shut off to save energy. Check the settings to disable this feature if necessary.
Conclusion
In this guide, we’ve covered the most common issues with the Keurig K-Select K80 coffee maker and provided step-by-step instructions for resolving them. Whether you’re dealing with clogged needles, power issues, or brewing problems, these troubleshooting tips will help get your coffee maker back to brewing your favourite cup of coffee in no time.
Remember, regular maintenance, such as cleaning the needles and descaling your machine every 3-6 months, is key to prolonging the life of your coffee maker. If you’ve tried all these steps and your coffee maker still isn’t working, don’t hesitate to reach out to Keurig customer service for further support.
Tip: Regular descaling and needle cleaning will not only enhance performance but also ensure your coffee tastes fresh every time. Happy brewing!
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