COSORI CAF-LI401S
COSORI Lite 4.0-Quart Smart Air Fryer Instruction Manual
Model: CAF-LI401S
Brand: COSORI
Introduction
About Your COSORI Lite 4.0-Quart Smart Air Fryer
The COSORI Lite 4.0-Quart Smart Air Fryer is designed for efficient and healthy cooking. Its compact size makes it ideal for smaller kitchens, while its 4-quart capacity is suitable for 1-3 people. With a temperature range of 170°F to 450°F, it offers versatile cooking options. Smart control features allow for monitoring, recipe access, and more directly from your smartphone.

The COSORI Lite 4.0-Quart Smart Air Fryer in white, shown with its accompanying mobile application.
Components
What's Included
- COSORI Lite 4.0-Quart Smart Air Fryer Unit
- Nonstick, Dishwasher-Safe Basket
- Nonstick, Dishwasher-Safe Crisper Plate
- User Manual (this document)
- Quick Start Guide

The main air fryer unit with its removable basket and crisper plate.
Setup
Before First Use
Before using your air fryer for the first time, perform a test run to ensure proper function and eliminate any manufacturing odors. Refer to the "Test Run" section in the detailed user guide (PDF) for instructions.
Placement
Place the air fryer on a stable, heat-resistant surface. Ensure there is at least 5 inches (13 cm) of space behind and above the unit for proper air circulation. Do not place it against a wall or under cabinets.
Initial Cleaning
Wash the air fryer basket and crisper plate thoroughly with warm, soapy water. Rinse and dry completely. The nonstick, dishwasher-safe components make cleaning easy.

The nonstick basket and crisper plate are dishwasher-safe for convenient cleaning.
Operating Your Air Fryer
Control Panel Overview
The intuitive top-facing display allows for easy control of your air fryer. It features temperature and time adjustments, along with one-touch presets.

The control panel offers manual adjustments and smart control via the VeSync app.
Cooking Functions
Your COSORI Lite Air Fryer offers 7 one-touch cooking functions for common foods like Chicken, Fries, Bacon, Steak, and Veggies. It also includes Preheat and Keep Warm functions.
Smart Control with VeSync App
Connect your air fryer to the VeSync app for enhanced control and features. The app allows you to monitor cooking progress, adjust settings remotely, and access over 150 original recipes developed by COSORI chefs. Smart notifications will keep you updated on your meal's status, and an automatic Shake Reminder will prompt you to shake or flip food halfway through cooking for even results.
Official product video showcasing the features and benefits of the COSORI Lite 4.0-Quart Smart Air Fryer.
Even Heating Technology
Equipped with Even Heating Technology, the air fryer automatically detects and readjusts heat throughout the cooking process. This ensures more evenly cooked, crispy results with up to 97% less oil compared to traditional deep frying.

Achieve crispy and delicious results with significantly less oil.

The 4.0-quart capacity is perfect for cooking meals for 1-3 people.
Maintenance and Cleaning
Daily Cleaning
After each use, allow the air fryer to cool completely. Remove the basket and crisper plate. Wash them with warm, soapy water or place them in the dishwasher. The nonstick coating ensures easy cleanup. Wipe the exterior of the air fryer with a damp cloth.
Deep Cleaning
For deeper cleaning, ensure the unit is unplugged and cool. Clean the interior with a damp cloth and mild detergent. Avoid abrasive cleaners or scouring pads that could damage the nonstick surfaces.
Storage
Store the air fryer in a cool, dry place. Ensure all components are clean and dry before storage.
Troubleshooting
Common Issues and Solutions
| Problem | Possible Cause | Solution |
|---|---|---|
| Air fryer not turning on. | Not plugged in; power outlet issue. | Ensure the power cord is securely plugged into a grounded outlet. Check the circuit breaker. |
| Food not crispy. | Basket overcrowded; insufficient oil; incorrect temperature/time. | Do not overcrowd the basket. Use a small amount of oil. Adjust temperature and time as per recipe or recommended settings. Use the Shake Reminder. |
| White smoke from air fryer. | Grease from previous cooking; fatty ingredients. | Clean the basket and crisper plate thoroughly after each use. For very fatty foods, drain excess oil during cooking. |
| Food unevenly cooked. | Food not shaken/flipped. | Shake or flip food halfway through cooking, especially for smaller items like fries or nuggets. |
Specifications
- Model: CAF-LI401S
- Capacity: 4.0 Quarts
- Temperature Range: 170°F–450°F (77°C–232°C)
- Time Range: 0-60 minutes
- Rated Power: 1500W
- Power Supply: AC 120V, 60Hz (US and Canada only)
- Basket Dimensions (D x W x H): 7.9 x 7.9 x 4.3 inches
- Product Dimensions (D x W x H): 13.6 x 10.8 x 12.8 inches
- Item Weight: 9.75 lbs (4.43 kg)
- Material: Non-stick
- Special Features: Manual Control, Programmable, Smart Control (App), Dishwasher Safe Components
Warranty and Support
Product Warranty
Your COSORI Lite 4.0-Quart Smart Air Fryer comes with a manufacturer's warranty. Please refer to the official user manual (PDF) for detailed warranty information and terms.
Customer Support
For any questions, assistance, or troubleshooting not covered in this manual, please contact COSORI Customer Support. You can find contact information on the official COSORI website or within the VeSync app.
Online Resources
Explore more recipes and cooking tips by joining the COSORI Cooks Community on Facebook or visiting the official COSORI recipe gallery at www.cosori.com/recipes.
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