1. Introduction
Thank you for purchasing the PCM03S-MAX Electric Espresso Machine. This portable and wireless espresso maker is designed for convenience, allowing you to enjoy high-quality espresso anywhere. Please read this manual carefully before use to ensure proper operation and maintenance.
Figure 1: PCM03S-MAX Product Overview
Figure 2: Smart Mini Espresso Features
2. Safety Precautions
- Do not immerse the main unit in water or other liquids.
- Keep out of reach of children.
- Use only the specified charging cable and adapter.
- Ensure the machine is clean and dry before charging.
- Do not operate the machine if it is damaged.
- Avoid touching hot surfaces immediately after brewing.
3. Product Components
The PCM03S-MAX consists of several detachable parts for easy use and cleaning.
Figure 3: Component Breakdown
Familiarize yourself with the following parts:
- Main Unit (with control button and battery indicator)
- Water Tank
- Filter Basket (58mm for PCM03S-MAX)
- Coffee Cup/Collection Chamber
- Charging Port (USB)
4. Setup and First Use
4.1. Charging the Device
- Before first use, fully charge the espresso machine.
- Connect the USB charging cable to the machine's charging port and a compatible 30W fast charging adapter.
- The battery indicator lights will show charging progress. A full charge takes approximately 2-2.5 hours.
- Once fully charged, the machine can heat and extract 5-6 cups of espresso.
4.2. Preparing for Brewing
- Disassemble the water tank and filter basket from the main unit.
- Fill the water tank with fresh water (up to Max. 120ml). The recommended brewing temperature is 96℃/205℉.
- For ground coffee: Fill the 58mm bottomless filter basket with 18-20g of finely ground coffee. Tamp lightly.
- For capsules: Insert a compatible coffee capsule into the designated slot.
- Reassemble the filter basket and water tank securely onto the main unit.
- Place your espresso cup or the included collection chamber under the extraction nozzle.
Figure 4: Outdoor Espresso Setup Example
5. Operating Instructions
5.1. Brewing Espresso
- Ensure the machine is charged and prepared as per Section 4.
- Press the power/brew button on the main unit. The machine will begin heating the water to 96℃/205℉.
- Once the optimal temperature is reached, the machine will automatically start the 20-bar pressure extraction process.
- Espresso will dispense into your cup.
- The machine will stop automatically once extraction is complete.
- Enjoy your fresh espresso!
Figure 5: One-Button Operation
5.2. Battery Indicator
The LED lights on the main unit indicate the current battery level. Refer to the product's visual cues for specific battery status (e.g., 4 lights for full, 1 light for low battery).
6. Maintenance and Cleaning
Regular cleaning ensures optimal performance and longevity of your espresso machine.
6.1. After Each Use
- Allow the machine to cool down slightly.
- Disassemble the water tank, filter basket, and collection chamber.
- Discard used coffee grounds or capsules.
- Rinse all detachable parts under running water. Use a soft brush if necessary to remove coffee residue.
- Wipe the main unit with a damp cloth. Do not immerse the main unit in water.
- Dry all parts thoroughly before reassembling or storing.
6.2. Descaling (Periodically)
Depending on water hardness, descaling may be required every few months. Use a descaling solution suitable for coffee machines and follow the manufacturer's instructions. Run the descaling solution through the machine without coffee, then rinse thoroughly with clean water.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Machine does not turn on. | Low battery or no charge. | Charge the machine fully (refer to Section 4.1). |
| No coffee extraction. | Water tank empty, filter basket not properly installed, or coffee too finely ground/over-tamped. | Fill water tank, ensure parts are securely assembled, check coffee grind size and tamping pressure. |
| Weak or watery espresso. | Insufficient coffee grounds, coarse grind, or too much water. | Use 18-20g of fine coffee grounds, ensure water level is appropriate. |
| Leaking during operation. | Parts not securely tightened or seals are worn. | Ensure all detachable parts are tightly assembled. Check seals for damage and replace if necessary. |
8. Specifications
| Attribute | PCM03S-MAX |
|---|---|
| Model | K17 (PCM03S-MAX) |
| Extraction Type | Wireless, Off-line extraction |
| Material | Stainless steel, ABS resin + aluminum alloy (Housing) |
| Pressure | 20 Bar |
| Net Weight | 810g |
| Battery | 13500mAh (Heating & Extraction only) |
| Power | 90W |
| Voltage | 5V |
| Water Volume Capacity | Max. 120ml |
| Extraction Temperature | 96℃ / 205℉ |
| Heating Capability | Yes, 5-6 cups per charge |
| Charging Compatibility | 30W fast charging |
| Charging Time | 2-2.5 hours |
| Suitable Filter Basket | 58mm Bottomless Filter Basket (18g-20g) |
| Product Size (L x W x H) | 76 x 76 x 227 mm |
| Application | Car, Commercial, Hotel, Household, Outdoor, RV, Garage |
| Control Mode | Semi-Automatic Control |
| Origin | Mainland China (Guangdong) |
8.1. Certifications
Figure 6: Product Certifications
The PCM03S-MAX Electric Espresso Machine holds various certifications, including CE, GS, Reddot, SAA, ISO, SGS, UL, RoHS, Intertek, FC, BSCI, LFGB, and INMETRO, ensuring quality and safety standards.
9. User Tips
- Optimal Grind: For the best espresso, use a fine grind suitable for espresso machines. Experiment with grind size to find your preferred taste.
- Pre-heat Water: While the machine heats water, using pre-heated water (if available) can slightly extend battery life for extraction-only cycles.
- Portability: Its compact and wireless design makes it ideal for travel, camping, or office use. Always ensure it's fully charged before heading out.
- Regular Cleaning: Promptly clean all detachable parts after each use to prevent coffee oil buildup and maintain flavor quality.
10. Warranty and Support
This product comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or failure to follow the instructions in this manual.
For technical support, warranty claims, or service inquiries, please contact your retailer or the manufacturer's customer service. Please have your proof of purchase and product model number (K17) ready when contacting support.





