Introduction
The Nespresso CitiZ Espresso Machine by De'Longhi (Model EN167CCA) combines modern design with advanced technology to deliver a premium coffee experience. This machine is designed for ease of use, featuring rapid heating and a smart alert system for the water tank. It is compatible with Nespresso Original line capsules, offering a variety of coffee options.
This manual provides essential information for setting up, operating, maintaining, and troubleshooting your CitiZ espresso machine to ensure optimal performance and longevity.
Product Overview
The CitiZ machine is inspired by retro-modern design, making it a stylish addition to any kitchen. Its compact footprint (10.9"D x 5.1"W x 14.6"H) allows it to fit in various spaces. Key features include:
- Rapid Thermo-block Heating: Achieves optimal brewing temperature in just 25 seconds.
- High-Pressure Pump: A 19-bar pump ensures maximum flavor extraction and a rich crema.
- Programmable Buttons: Two buttons for Espresso (40 mL) and Lungo (110 mL) sizes, which can be reprogrammed to your preferred volume.
- Auto Power-Off: Automatically shuts off after 9 minutes of inactivity to conserve energy (reprogrammable to 30 minutes).
- Removable Water Tank: A 1-liter capacity water tank for convenience.
- Foldable Drip Tray: Accommodates various cup sizes, from small espresso cups to larger mugs.
- Used Capsule Container: Integrated container for used capsules.

Figure 1: Front view of the Nespresso CitiZ Espresso Machine, showcasing its sleek design.
Setup
- Unpacking: Carefully remove the machine and all components from the packaging. Place the machine on a stable, flat surface away from water sources and heat.
- Water Tank: Remove the water tank from the back of the machine. Rinse it thoroughly with fresh drinking water before filling. Fill the tank with fresh drinking water up to the 'MAX' level.
- Power Connection: Plug the power cord into a grounded electrical outlet.
- Initial Rinse: Press either the Espresso or Lungo button to turn on the machine. The buttons will flash while heating up (approx. 25 seconds). Once stable, place a container under the coffee outlet and press the Lungo button to run water through the system. Repeat this process 2-3 times to clean the machine and ensure proper functioning.

Figure 2: Components of the Nespresso CitiZ Espresso Machine, including the water tank and drip tray.
Operating Instructions
Making Coffee
- Power On: Ensure the machine is plugged in and the water tank is filled. Press either the Espresso or Lungo button to turn on the machine. Wait for the buttons to stop flashing, indicating the machine is ready.
- Insert Capsule: Lift the lever completely. Insert a Nespresso Original capsule into the capsule insertion slot. Close the lever firmly.
- Place Cup: Adjust the foldable drip tray to accommodate your cup size. Place your cup under the coffee outlet.
- Select Brew Size: Press the Espresso button for a 40 mL shot or the Lungo button for a 110 mL shot. The machine will automatically stop when the selected volume is dispensed.
- Eject Capsule: After brewing, lift the lever to eject the used capsule into the internal container.

Figure 3: The Nespresso CitiZ machine in operation, brewing coffee into a cup.
Using the Milk Frother (if included)
The Nespresso CitiZ machine may come bundled with a milk frother (Aeroccino). Refer to the separate Aeroccino instruction manual for detailed operation. Generally, fill the frother with milk, select your desired froth setting (hot or cold), and press the button. Once frothed, pour the milk into your prepared espresso.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Nespresso CitiZ machine.
- Daily Cleaning: After each use, wipe the coffee outlet and drip tray with a damp cloth.
- Emptying Capsule Container: The used capsule container should be emptied regularly. It can hold approximately 9-11 used capsules. Remove the drip tray and capsule container, empty the capsules, and rinse both with water.
- Water Tank Cleaning: Clean the water tank periodically with mild detergent and rinse thoroughly.
- Descaling: Descale your machine every 3-6 months, or as indicated by the machine's descaling alert (if applicable), using a Nespresso descaling kit. Follow the instructions provided with the descaling kit.

Figure 4: Top view of the Nespresso CitiZ machine, showing the capsule insertion area.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No coffee, no water flow | Water tank empty; Air bubble in system; Machine needs descaling. | Fill water tank; Prime the machine (run water without capsule); Descale the machine. |
| Coffee is not hot enough | Cups not preheated; Machine needs descaling. | Preheat cups with hot water; Descale the machine. |
| Leaking coffee | Capsule not inserted correctly; Seal is dirty. | Ensure capsule is correctly placed; Clean the capsule area. |
| Buttons flashing irregularly | Machine needs descaling; Error. | Perform descaling; Contact customer support if issue persists. |
Specifications
| Feature | Detail |
|---|---|
| Brand | Nespresso |
| Model Name | NESEN167CCA |
| Color | Chrome |
| Product Dimensions | 10.9"D x 5.1"W x 14.6"H |
| Item Weight | 8.92 pounds |
| Coffee Maker Type | Espresso Machine |
| Operation Mode | Manual |
| Pressure | 19 Bar |
| Water Tank Capacity | 1 Liter |
| Heat-up Time | 25 seconds |
| Auto Power-Off | 9 minutes (reprogrammable to 30 minutes) |
| Coffee Input Type | Coffee Capsules |
| Voltage | 230 Volts |
Warranty and Support
Your Nespresso CitiZ Espresso Machine is covered by a manufacturer's warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions. For technical assistance, troubleshooting beyond this guide, or to order accessories, please contact Nespresso customer support through their official website or the contact information provided in your product documentation.