COSORI CAF-LI401S-AUS
COSORI Lite 4.0-Quart Smart Air Fryer Instruction Manual
Model: CAF-LI401S-AUS
1. Introduction
The COSORI Lite 4.0-Quart Smart Air Fryer is designed to simplify your cooking experience with its compact size and advanced features. This appliance utilizes rapid air circulation technology to cook food with significantly less oil, offering a healthier alternative to traditional deep frying. It features smart control capabilities, allowing for remote operation and monitoring via a smartphone app.

Image 1.1: The COSORI Lite 4.0-Quart Smart Air Fryer, showcasing its sleek design and digital control panel, alongside a smartphone displaying the companion app interface.
Key Features:
- Smart Control: Operate and monitor cooking remotely via the VeSync app.
- 7 Cooking Functions: Pre-set options for common dishes like chicken, fries, bacon, steak, and veggies.
- 4.0-Quart Capacity: Ideal for 1-3 servings, capable of cooking up to 2 lbs of French fries or 12 chicken wings.
- 97% Less Oil: Achieve crispy results with minimal oil compared to traditional deep frying.
- Dishwasher-Safe Components: Nonstick basket and crisper plate for easy cleanup.
- Even Heating Technology: Ensures consistent cooking and crispy results.
2. Important Safety Information
Always follow basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, or injury. Read all instructions thoroughly before operation.
- Do not immerse the air fryer housing, cord, or plug in water or other liquids.
- Keep the appliance and its cord out of reach of children.
- Do not operate the air fryer if the cord or plug is damaged, or if the appliance malfunctions.
- Ensure the appliance is placed on a stable, heat-resistant surface, away from walls or other appliances to allow proper air circulation. Maintain at least 5 inches of clearance around the unit.
- The air fryer generates heat and steam during use. Do not block the air vents.
- Always unplug the air fryer when not in use and before cleaning.
- Use oven mitts when handling hot surfaces or removing the basket.
For detailed safety guidelines, please refer to the official Safety Information PDF document provided by COSORI.
3. Product Components
Familiarize yourself with the main parts of your COSORI Lite 4.0-Quart Smart Air Fryer:
- Main Unit: Houses the heating element, fan, and control panel.
- Control Panel: Digital display with touch controls for temperature, time, presets, and smart functions.
- Air Fryer Basket: The main cooking compartment where food is placed.
- Crisper Plate: Sits inside the basket, allowing air to circulate around food for even cooking and crisping. It features silicone feet to prevent scratching the basket.

Image 3.1: A hand demonstrating the insertion of the nonstick crisper plate into the air fryer basket, highlighting its design for optimal air circulation.
The 4.0-quart capacity of the basket is designed to accommodate meals for 1-3 people, making it versatile for various cooking needs.

Image 3.2: The 4.0-quart air fryer basket filled with French fries, illustrating its capacity and internal dimensions (7.9 x 7.9 x 4.3 inches).
4. Setup
Before First Use:
- Remove all packaging materials from the air fryer, including any stickers or labels.
- Clean the air fryer basket and crisper plate thoroughly with warm, soapy water. Rinse and dry completely. The basket and crisper plate are dishwasher-safe.
- Wipe the inside and outside of the main unit with a damp cloth.
- Place the air fryer on a stable, level, heat-resistant surface, ensuring at least 5 inches of space from walls or other appliances for proper ventilation.
Test Run:
To ensure the air fryer is working correctly and to eliminate any potential manufacturing odors, perform a test run before cooking food:
- Insert the clean basket and crisper plate into the air fryer.
- Plug in the air fryer.
- Set the temperature to 350°F (175°C) and the time to 5 minutes.
- Start the air fryer. Allow it to complete the cycle.
- Once complete, unplug the air fryer and let it cool down completely before proceeding.
Connecting to the VeSync App:
For smart control features, download the VeSync app from your smartphone's app store and follow the in-app instructions to pair your COSORI Lite 4.0-Quart Smart Air Fryer.
5. Operating Instructions
Basic Operation:
- Place food in the air fryer basket, ensuring not to overfill.
- Slide the basket back into the main unit until it clicks into place.
- Use the digital control panel to select a preset cooking function or manually set the temperature (170°F–450°F) and time (1-60 minutes).
- Press the Start/Pause button to begin cooking.
- The air fryer features an automatic Shake Reminder to prompt you to shake or flip food halfway through cooking for even results.

Image 5.1: The air fryer's digital control panel on the left, showing manual temperature and time settings, and a smartphone on the right, illustrating remote programming via the VeSync app.
Cooking Functions and Presets:
The COSORI Lite Air Fryer offers 7 one-touch cooking functions for convenience. Simply select the desired food type, and the air fryer will apply optimal temperature and time settings. You can also adjust these settings manually.

Image 5.2: Visual examples of various foods (Bacon, Veggies, Steak, Chicken, French Fries) with recommended cooking temperatures and times, demonstrating the air fryer's versatility.
Smart Features:
Utilize the VeSync app for enhanced control:
- Remote Control: Start, pause, or stop cooking from your smartphone.
- Recipe Access: Explore over 150 original recipes by COSORI chefs.
- Smart Notifications: Receive alerts for shake reminders and cooking completion.
- Voice Control: Compatible with Amazon Alexa for hands-free operation.
Video 5.1: An official COSORI video introducing the Lite 4.0-Quart Smart Air Fryer, highlighting its design, smart features, and ease of use.
6. Cleaning and Maintenance
Regular cleaning ensures optimal performance and extends the lifespan of your air fryer.
Cleaning the Basket and Crisper Plate:
- Always unplug the air fryer and allow it to cool completely before cleaning.
- The nonstick basket and crisper plate are dishwasher-safe. For hand washing, use warm, soapy water and a non-abrasive sponge.
- Avoid using metal utensils or abrasive cleaning materials, as these can damage the nonstick coating.
- For stubborn food residue, soak the basket and crisper plate in warm, soapy water for 10-15 minutes before cleaning.

Image 6.1: The air fryer basket and crisper plate placed in a dishwasher, demonstrating their dishwasher-safe design for convenient cleaning.
Cleaning the Main Unit:
- Wipe the exterior of the air fryer with a damp cloth. Do not immerse the unit in water.
- Clean the interior of the air fryer, including the heating coil, with a damp cloth or non-abrasive sponge. Remove any food debris.
- Ensure all parts are completely dry before storing or using the air fryer again.
7. Troubleshooting
If you encounter issues with your COSORI Lite 4.0-Quart Smart Air Fryer, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Air fryer does not turn on. | Not plugged in; power outlet issue; basket not fully inserted. | Ensure the power cord is securely plugged into a working outlet. Check if the basket is fully pushed into the unit. |
| Food is not cooked evenly. | Basket is overcrowded; food not shaken/flipped. | Cook food in smaller batches. Shake or flip food halfway through cooking, especially for items like fries or chicken wings. |
| White smoke coming from air fryer. | Grease residue from previous cooking; high-fat food. | Clean the basket and crisper plate thoroughly after each use. For high-fat foods, drain excess oil from the basket during cooking. |
| Cannot connect to VeSync app. | Wi-Fi issues; incorrect pairing steps. | Ensure your Wi-Fi network is 2.4GHz. Restart your router and air fryer. Follow the in-app pairing instructions carefully. |
If the problem persists, please contact COSORI Customer Support.
8. Specifications
| Specification | Detail |
|---|---|
| Model | CAF-LI401S-AUS |
| Capacity | 4.0 Quarts |
| Temperature Range | 170°F–450°F (77°C–232°C) |
| Time Range | 1-60 minutes |
| Rated Power | 1500W |
| Power Supply | AC 120V, 60Hz (US and Canada only) |
| Product Dimensions (D x W x H) | 13.6" x 10.8" x 12.8" |
| Item Weight | 9.75 lbs (4.43 kg) |
| Material | Non-stick |
| Special Features | Smart Control, Manual Control, Programmable |
| Dishwasher Safe | Yes (Basket and Crisper Plate) |
| Certifications | ETL-Listed |
9. Warranty and Support
Warranty Information:
COSORI provides a limited warranty for this product. Please refer to the warranty card included with your purchase or visit the official COSORI website for the most up-to-date warranty terms and conditions. Keep your proof of purchase for warranty claims.
Customer Support:
For any questions, concerns, or technical assistance regarding your COSORI Lite 4.0-Quart Smart Air Fryer, please contact COSORI Customer Support. Contact information can typically be found in the product packaging, on the official COSORI website, or within the VeSync app.
When contacting support, please have your model number (CAF-LI401S-AUS) and purchase details ready.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







