The Keurig B-50 Single-Cup Brewer is a versatile and convenient machine for brewing coffee, tea, and other beverages. However, like all appliances, it may encounter issues from time to time. In this comprehensive troubleshooting guide, we will walk you through some of the most common problems that users face with the Keurig B-50 Brewer and provide step-by-step solutions to get your machine back in action.

Keurig Gourmet B50 Brewing System: Common Problems and Solutions
1. Brewer Will Not Brew When Used for the First Time
Causes:
- Power issues
- The machine needs priming
Solutions:
- Ensure Proper Power Connection: Plug your Keurig B-50 Brewer into a dedicated electrical outlet, and make sure it is securely plugged in. If the machine still does not work, try a different outlet or check the circuit breaker .
- Priming the Brewer: Before brewing for the first time, the Brewer must be primed. This involves filling the internal water tank. The display will show ‘PRIME’ when this step is required. Once primed, you can begin using the Brewer .
- Allow Time to Reach Room Temperature: If the Brewer has been stored in a cold environment or is frozen, allow it to warm up for at least two hours before use .
2. Brewer Will Not Brew After the First Use
Causes:
- Incorrect setup or water reservoir issues
- K-Cup holder not properly secured
- Insufficient water in the reservoir
Solutions:

- Check Water Reservoir: Make sure the water reservoir is filled with water. If the LCD Control Center displays ‘ADD WATER’, refill the water tank and ensure that it is seated properly .
- Secure the K-Cup Holder: After placing the K-Cup® portion pack in the K-Cup Holder, ensure that the handle is securely pushed down and the LCD changes from ‘READY’ to ‘BREW’ .
- Reset the Brewer: If the LCD continues to display ‘ADD WATER’ after refilling, contact Keurig customer service at 1-866-901-BREW for further assistance .
3. Brewing a Partial Cup of Coffee
Causes:
- Clogged exit needle
- Water reservoir removed during brewing
- Scale buildup
Solutions:
- Clean the K-Cup Holder: A clogged exit needle can prevent full brewing. Remove and clean the K-Cup Holder. Rinse it under water to clear any blockages .
- Check the Water Reservoir: Make sure the water reservoir is properly seated. If removed during brewing, replace it and run a cleansing brew .
- De-scale the Brewer: If scale buildup is indicated by the ‘DE-SCALE’ message on the LCD, perform the de-scaling process . If the issue persists even after de-scaling, contact customer service .
4. Brewer Does Not Have Power
Causes:
- Power interruption or malfunction
Solutions:
- Reset the Brewer: If the Brewer is unresponsive, try turning it off and back on to reset the system .
- Check the LCD Display: Ensure the clock is set properly on the LCD Control Center. If power was interrupted, you may need to reset the time.
5. Brewer Shuts Off Automatically
Causes:
- Auto-off timer settings
- Power management settings
Solutions:
- Turn Off Auto-Off Timer: If the Brewer shuts off automatically, check the Auto Off Timer settings. Ensure that ‘OFF’ is displayed under ‘AUTO OFF’. Follow the instructions on pages 9-10 of the manual to disable this feature .
- Adjust On/Off Timer: If you have set a specific on/off time, adjust it by following the menu settings to match your preferences.
Cleaning and Maintenance Tips
Regular Cleaning and De-scaling
Keeping your Keurig B-50 Brewer clean and properly maintained is crucial for optimal performance. Here’s how to clean the Brewer:
1. Cleaning the K-Cup Holder
- Remove and Clean: The K-Cup® Holder can be easily removed for cleaning. Wash it with water or place it in the dishwasher for a thorough clean.
2. De-scaling the Brewer
- Why You Need It: Calcium deposits can accumulate over time, affecting the Brewer’s performance. De-scaling is essential every 6 months.
- De-scaling Procedure:
- Use 48 ounces of undiluted white vinegar.
- Fill the water reservoir with vinegar and run several brewing cycles without a K-Cup®. Discard the liquid after each cycle .
- Rinse the reservoir thoroughly and run a few cleansing brews with fresh water.
3. Cleaning the Water Reservoir
- Clean the Lid and Reservoir: Clean the Water Reservoir and lid with a damp cloth. The reservoir can be placed in the dishwasher for convenience.
Storing Your Brewer
- Before Storing: Empty the water reservoir and store the Brewer in a safe, frost-free environment to prevent damage .
- Avoid Freezing: If your Brewer has been exposed to freezing temperatures, allow it to reach room temperature for at least two hours before using it.
Frequently Asked Questions (FAQs)
Why does my Keurig B-50 display “DE-SCALE” even after cleaning?
If the “DE-SCALE” message persists even after performing the de-scaling process, it could indicate a more severe buildup of mineral deposits. Repeat the de-scaling procedure, or contact Keurig customer service for assistance.
How can I reset the time on my Keurig B-50?
To reset the time, press the button below ‘MENU‘ and follow the instructions in the manual to set the correct hour and minute.
How do I fix a partial brew?
A partial brew is often caused by a clogged exit needle or a water reservoir that was removed during brewing. Clean the K-Cup Holder, replace the water reservoir, and run a cleansing brew to resolve this issue.
My Keurig B-50 is not heating up. What should I do?
If the Brewer is not heating up, it may be due to the machine being too cold or frozen. Allow the Brewer to warm up at room temperature for at least two hours before using it.
Conclusion
The Keurig B-50 Single-Cup Brewer is a reliable appliance that can enhance your coffee experience. However, like all machines, it requires regular maintenance and occasional troubleshooting. By following the steps outlined in this guide, you can resolve most issues and ensure your Brewer continues to perform at its best.
Here’s a concise table summarizing the common issues and solutions for the Keurig B-50 Brewer:
Problem | Cause | Solution |
---|---|---|
Brewer will not brew | Power issues, needs priming | Plug into a different outlet, reset circuit breaker, prime the Brewer (first-time use). |
Brewer not brewing properly | K-Cup holder not secured, water reservoir issue | Ensure K-Cup holder is properly closed, refill and reseat water reservoir. |
Partial cup brewed | Clogged exit needle, removed water reservoir | Clean K-Cup holder, check water reservoir, perform a cleansing brew. |
Brewer has no power | Power interruption, LCD settings | Reset the Brewer, check LCD settings, reset the clock if needed. |
Brewer shuts off automatically | Auto-off timer settings | Disable Auto-Off Timer and/or adjust On/Off Timer settings. |
De-scaling required (message displayed) | Mineral buildup | Perform de-scaling with vinegar and run several water-only cycles to clean. |
Brewer not heating up | Brewer too cold or frozen | Let the Brewer warm to room temperature (2 hours if frozen). |
For persistent problems that cannot be solved with the above solutions, do not hesitate to contact Keurig Customer Service at 1-866-901-BREW (2739).

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