The Keurig K40 is a single-serve coffee brewing system designed for home use, featuring multiple brew sizes, removable water reservoir, automatic shut-off, descaling alert, and compatibility with K-Cup pods. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.
Key components: Brew chamber, Removable water reservoir, Control panel, Drip tray, Power button, Brew size buttons.
| Feature | Description |
|---|---|
| Brew sizes | 6oz, 8oz, 10oz cup options |
| Water reservoir | 48oz removable reservoir with handle |
| Power button | Turns brewer on/off |
| Brew button | Initiates brewing process |
| Descaling indicator | LED alert when descaling needed |
| Auto shut-off | Turns off after 90 seconds of inactivity |
| Drip tray | Removable tray with adjustable height |
| K-Cup pod holder | Chamber for inserting K-Cup pods |
| Water filter | Optional charcoal water filter |
| Power cord | Standard 120V AC power cord |
Unpack and inspect contents. Place on clean, level surface.
WARNING! Do not operate without water in reservoir. Keep away from children.
Prime the brewing system before first use.
CAUTION! Water will be hot. Do not touch during brewing cycle.
Control Panel: POWER button, 6oz/8oz/10oz brew size buttons, Add Water indicator, Descaling alert.
Operation: Press POWER to turn on (blue light), select brew size, press BREW to start cycle. Add Water indicator lights when reservoir needs refilling. Descaling alert flashes when mineral buildup requires cleaning.
Brew Sizes: 6oz for strong coffee, 8oz for regular strength, 10oz for mild coffee. Water Filter: Optional charcoal filter improves taste and reduces mineral content.
Simple steps for perfect single-serve brewing.
Tip: Preheat mug with hot water for hotter coffee.
Regular cleaning ensures optimal performance and taste.
CAUTION! Never use abrasive cleaners or scouring pads.
Required when descaling indicator lights or every 3-6 months.
WARNING! Use only Keurig descaling solution or white vinegar.
UL listed; complies with FCC Part 15. Copyright © Keurig Green Mountain, Inc. For support, visit www.keurig.com or contact 1-866-901-2739. This brewer is designed for household use only.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| Brewer won't turn on | Power connection | Check power cord; ensure outlet works; reset if needed. |
| No water flow | Clogged needle/reservoir | Check water reservoir placement; clean exit needle. |
| Small cup of coffee | Mineral buildup | Descale brewer; check water filter if installed. |
| Coffee tastes bad | Old K-Cup/cleanliness | Use fresh K-Cup; clean brewer; replace water filter. |
| Leaking water | Loose connections | Ensure reservoir seated properly; check seals. |
| Descaling light on | Mineral buildup | Perform descaling procedure immediately. |
Reset: Unplug for 30 seconds, then restart.
Service: 1-866-901-2739; www.keurig.com