If your COSORI air fryer is emitting smoke during operation, it can be concerning. Smoking often indicates a buildup of grease or food debris, or other issues that need addressing. This guide provides clear, step-by-step instructions to resolve this problem safely and effectively.
Before attempting repairs, ensure the appliance is unplugged and completely cooled down. Proper maintenance and troubleshooting can restore your air fryer’s performance and prolong its lifespan.
Key Takeaways
| Identify the cause | Grease buildup, food debris, or liner issues can cause smoking. |
| Regular cleaning | Deep clean the basket and interior regularly to prevent smoke. |
| Check and replace liners | Use correct liners and ensure they are fully weighted down. |
| Inspect heating element | Look for signs of burnt residue or damage and clean as needed. |
| Avoid preheating with liners | Never place liners during preheating to prevent fire hazards. |

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Unplug and Cool the Air Fryer
Always disconnect the air fryer from power and allow it to cool completely before cleaning or troubleshooting. This ensures safety and prevents burns or electrical issues.

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Clean the Basket and Interior
- Remove the basket and inspect for grease, food residue, or burnt particles.
- Wash the basket with warm, soapy water and a non-abrasive sponge.
- Use a soft brush or cloth to clean the interior of the unit, paying attention to the heating element.
- Dry all parts thoroughly before reassembling.
Check and Replace Liners Properly
- Ensure you are using a liner compatible with your COSORI model, such as the Cosori Air Fryer Liners.
- Never place liners during preheating to avoid catching fire or blocking airflow.
- Place food evenly on the liner and weigh it down to prevent it from flying up.
Inspect the Heating Element and Fan
Look for visible signs of damage or burnt residue on the heating element and fan. Gently clean these parts with a soft cloth or brush. If you notice damage or persistent smoke, consider professional repair or replacement.
Test the Air Fryer
- Reassemble all parts securely.
- Plug in the unit and run it empty at a moderate temperature for 10 minutes to check for smoke.
- Monitor closely; if smoke persists, further inspection or professional repair may be needed.
The Products in This Guide

Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt
- ✔ Voltage: 120V
- ✔ Temperature: Up to 450°F
- ✔ Capacity: 6 Qt

ALJ 3PCS Air Fryer Oven Mesh Rack
- ✔ Material: Stainless Steel
- ✔ Size: Fits 10QT and 13QT COSORI models
- ✔ Cleaning: Dishwasher safe
Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt

The Cosori 9-in-1 TurboBlaze Air Fryer combines innovative technology with precise control, making it a reliable choice for everyday cooking. Regular cleaning and proper liner use help prevent smoking issues.
Pros:
- Powerful TurboBlaze Technology
- Even heating with 5-fan system
- Smart control via app
- Versatile cooking functions
Cons:
- Can produce smoke if not cleaned regularly
- Liners must be used correctly
- Requires some maintenance
Best for: Users seeking a versatile, high-performance air fryer with smart features
Not ideal for: Heavy users who neglect regular cleaning or improper liner use
Bottom line: Regular cleaning and correct liner use are key to preventing smoking in your COSORI air fryer.
ALJ 3PCS Air Fryer Oven Mesh Rack

The ALJ 3PCS Air Fryer Oven Mesh Rack improves hot air circulation, reducing grease buildup and smoke. It’s a practical accessory for maintaining your COSORI air fryer.
Pros:
- Made of food-grade stainless steel
- Dishwasher safe
- Even heat distribution
- Easy to clean
Cons:
- Adds some height to the basket
- Requires additional space
- May need adjusting for certain recipes
Best for: Enhancing airflow and reducing grease accumulation
Not ideal for: If you prefer non-metal accessories or have limited space
Bottom line: Using a mesh rack like the ALJ improves airflow and keeps your air fryer cleaner.
Frequently Asked Questions
Can I preheat my COSORI air fryer with a liner inside?
No, it is not recommended to place liners during preheating, as they can catch fire or block airflow, leading to smoking.
How often should I clean the heating element?
Inspect and clean the heating element whenever you notice smoke, residue, or after heavy use, typically every few weeks.
What types of cleaning materials are safe for my COSORI air fryer?
Use a soft cloth, non-abrasive sponge, and mild dish soap. Avoid steel wool or harsh chemicals that can damage the surface.
Is it normal for my air fryer to smoke occasionally?
Occasional smoke can happen if grease accumulates or food drips onto the heating element. Regular cleaning minimizes this issue.
Keep Your Air Fryer Smoke-Free with Proper Care
By following these troubleshooting steps and maintaining a regular cleaning routine, you can keep your COSORI air fryer functioning safely and efficiently. Proper use of liners and accessories also helps prevent smoking issues, ensuring delicious, healthy meals every time.
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