If your COSORI air fryer is producing smoke during operation, it can be concerning and may indicate underlying issues. Fortunately, many common causes are simple to identify and fix with proper precautions. This guide provides clear, step-by-step instructions to troubleshoot smoking, ensure safe use, and keep your cooking experience enjoyable.
Always prioritize safety: unplug your device before inspecting or cleaning, and follow manufacturer recommendations to prevent damage or hazards.
Key Takeaways
| Identify causes | Smoke often results from oil buildup, food residue, or improper use. |
| Clean regularly | Maintaining a clean air fryer reduces smoke and improves performance. |
| Use correct accessories | Avoid placing liners or accessories that can catch fire or block airflow. |
| Monitor temperature | High temperatures can cause smoking; adjust settings if necessary. |
| Proper preheating | Preheat your air fryer without excess oil or food to prevent smoke. |

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Step 1: Turn Off and Unplug the Air Fryer
Before inspecting or cleaning, always turn off and disconnect your COSORI air fryer from the power source to ensure safety.

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Step 2: Inspect for Food or Oil Buildup
- Remove the basket and tray. Check for accumulated grease, food debris, or oil residue on the heating element and inside the basket.
- If you notice buildup, clean thoroughly using warm water and a non-abrasive sponge.
Step 3: Clean the Heating Element and Interior
- Wipe the heating element gently with a damp cloth or soft brush to remove grease or food particles.
- Ensure the interior is dry before reassembling.
Step 4: Use Appropriate Accessories and Liners
Use accessories compatible with COSORI, such as the ALJ 3PCS Air Fryer Oven Mesh Rack, which promotes even airflow and prevents food from falling into heating elements. Avoid using excessive or inappropriate liners that could catch fire or block airflow.
Step 5: Adjust Cooking Temperatures and Times
If smoking persists, reduce the temperature slightly and avoid preheating with oil or food inside. Always follow recommended temperature ranges and cooking times.
The Products in This Guide

Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt
- ✔ Voltage: 120V
- ✔ Dimensions: 13.4 x 12.4 x 12.4 inches
- ✔ Weight: 14.7 pounds

ALJ 3PCS Air Fryer Oven Mesh Rack
- ✔ Welding: Strong
- ✔ Edges: Smooth
- ✔ Temperature Resistance: High
Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt

The Cosori 9-in-1 TurboBlaze Air Fryer offers precise temperature control, powerful fan technology, and multiple cooking functions, making it a reliable choice for everyday cooking. Proper maintenance prevents smoking and keeps it performing at its best.
Pros:
- Powerful TurboBlaze technology
- Multiple cooking functions
- Precise temperature control
- Smart control via app
Cons:
- Potential for smoke if not cleaned regularly
- Requires space for proper airflow
Best for: Versatile, high-performance air frying with smart features
Not ideal for: Users seeking minimal maintenance or simpler models
Bottom line: A versatile and powerful air fryer, with proper care, it minimizes smoking issues.
ALJ 3PCS Air Fryer Oven Mesh Rack

The ALJ 3PCS Air Fryer Oven Mesh Rack is an excellent addition for even cooking and easy cleaning. It helps prevent food from blocking airflow and reduces residue buildup, which can cause smoking.
Pros:
- Improves airflow
- Easy to clean
- Durable stainless steel
- Fits multiple models
Cons:
- Requires additional cleaning
- Slightly more space needed
Best for: Optimizing air circulation and reducing smoke
Not ideal for: For users who prefer minimal accessories
Bottom line: A durable, practical rack that helps prevent smoking caused by residue buildup.
Frequently Asked Questions
Why is my COSORI air fryer smoking during use?
Smoking can be caused by excess oil, food residue on the heating element, or using accessories that block airflow. Regular cleaning and proper use help prevent this.
How often should I clean my air fryer to avoid smoking?
It’s recommended to clean the basket, tray, and interior after every few uses, especially if you notice smoke or residue buildup.
Can I use liners or accessories to prevent smoking?
Yes, using compatible accessories like the ALJ mesh rack can promote even cooking and reduce residue buildup, but avoid placing liners during preheating or when they could fly into the heating element.
What temperature should I set to avoid smoking?
Keep the temperature below 450°F and avoid preheating with oil or food inside for extended periods. Adjust based on the recipe to prevent overheating.
Keep Your Air Fryer Smoke-Free with Proper Maintenance
Regular cleaning, correct accessories, and mindful cooking practices are key to preventing smoking in your COSORI air fryer. With these steps, you can enjoy crispy, healthy meals without the hassle of smoke or mess, ensuring safe and efficient operation for years to come.
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