The Keurig Model 40 (K40) is a single-serve coffee brewing system designed for home use. It features a compact design, multiple brew sizes, a removable drip tray, an energy-saving auto-off function, and a descaling alert system. This manual covers safety, features, setup, operation, maintenance, and troubleshooting for your K40 brewer.
Key components: Brewer with K-Cup pod holder, Water Reservoir, Drip Tray, Power Cord, and Control Panel.
| Feature | Description |
|---|---|
| Brew Sizes | 6 oz, 8 oz, 10 oz cup options |
| Water Reservoir | Removable 48 oz capacity |
| Auto-Off | Energy saving feature (turns off after 90 seconds idle) |
| Descaling Alert | Indicator light prompts for cleaning |
| Drip Tray | Removable for tall travel mugs |
| Power Button | Turns brewer on/off |
| Brew Button | Initiates brewing cycle |
| Brew Size Selector | Buttons for 6oz, 8oz, 10oz |
| Add Water Indicator | Light alerts when reservoir is low |
| Heating Element | Rapid heat-up technology |
Unpack and inspect all components. Place brewer on a stable, level surface.
WARNING! Do not use without water in reservoir. Ensure brewer is on a heat-resistant surface away from edges.
Prime the system before first brew to ensure optimal performance.
CAUTION! The exterior may become hot during operation. Do not touch heated surfaces.
Control Panel located on front of brewer.
Power Button: Press to turn brewer on (light illuminates) or off.
Brew Size Buttons (6oz, 8oz, 10oz): Select desired cup size. Corresponding light will illuminate.
Brew Button: Press to start brewing cycle once a size is selected.
Add Water Indicator: Red light turns on when reservoir is empty or low.
Descale Indicator: Amber light flashes when descaling is required.
Auto-Off: Brewer automatically powers down 90 seconds after last brew cycle to save energy.
For use with licensed K-Cup pods.
Tip: For a stronger brew, select a smaller cup size for the same pod.
Regular cleaning ensures best performance and taste.
CAUTION! Always unplug brewer before cleaning. Never use abrasive cleaners or scouring pads.
Perform when DESCALING light flashes, or every 3-6 months.
FCC Part 15: Class B digital device compliant. This device complies with part 15 of the FCC Rules. UL Listed. Copyright © Keurig Green Mountain, Inc. Keurig, K-Cup, and the Keurig logo are trademarks of Keurig Green Mountain, Inc., registered in the U.S. and other countries. For support, visit www.keurig.com or contact 1-866-901-2739.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Brewer won't turn on | No power | Check that brewer is plugged in. Ensure outlet is working. |
| No water flow / small cup | Clogged needle or water lines | Descale brewer. Use a paper clip to clear exit needle. |
| Water leaks | Reservoir not seated | Ensure reservoir is pushed down firmly and correctly. |
| Brew is not hot | Needs priming/descaling | Run several brew cycles without a pod. Descale if problem persists. |
| DESCALE light flashing | Mineral buildup | Perform descaling procedure as outlined in Section 9. |
| Pod not punctured | Handle not closed fully | Open and firmly re-close the handle. |
Reset: Unplug brewer for 2 minutes, then plug back in.
Service: 1-866-901-2739; www.keurig.com