If your COSORI air fryer starts smoking during operation, it can be concerning and potentially dangerous. Smoking is often caused by food residue, oil build-up, or improper use. Fortunately, most issues are fixable with simple, safe steps. This guide walks you through the causes and clear, practical solutions to keep your air fryer functioning perfectly.
Following these steps will help you identify the cause, prevent future smoking, and maintain your appliance for optimal safety and performance.
Key Takeaways
| Cause Identification | Smoking is usually caused by grease or food residue buildup. |
| Cleaning Importance | Regular cleaning prevents grease accumulation that leads to smoking. |
| Proper Use | Avoid overfilling or placing liners in preheating to prevent smoke. |
| Maintenance Tips | Inspect and replace worn parts if smoking persists. |

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Step 1: Turn Off and Unplug the Air Fryer
Before troubleshooting, turn off your COSORI air fryer and unplug it from the power outlet. Wait until it cools down completely to avoid burns or electrical hazards.

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Step 2: Remove and Clean the Basket and Tray
- Carefully take out the basket and any removable trays or liners.
- Inspect for grease, food residue, or oil buildup.
- Use warm soapy water and a non-abrasive sponge or cloth to thoroughly clean all parts.
- Rinse well and dry completely before reassembling.
Step 3: Check for Excess Oil or Food Debris
Excess oil or food debris trapped in the heating element or around the fan can cause smoke. Carefully inspect the interior, especially the heating coil and fan area, and clean away any buildup with a soft brush or cloth.
Step 4: Use Correct Liners and Avoid Overfilling
If using liners, ensure they are placed correctly and not during preheating to prevent them from flying up and touching the heating element. Do not overfill the basket, as excess food or oil can cause smoking during cooking.
Step 5: Preventative Maintenance & Regular Cleaning
- Clean your air fryer regularly after each use to prevent grease accumulation.
- Check for worn or damaged parts, such as the basket or heating element, and replace if necessary.
- Use recommended accessories like mesh racks or liners to reduce mess and ease cleaning.
The Products in This Guide

Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt
- ✔ Warranty: 1 Year
- ✔ Dimensions: 14.2 x 11.4 x 12.4 inches
- ✔ Weight: 14.9 pounds

ALJ 3PCS Air Fryer Oven Mesh Rack
- ✔ Compatibility: COSORI 10QT/13QT
- ✔ Weight: 1.5 pounds
- ✔ Cleanability: Dishwasher safe
Cosori 9-in-1 TurboBlaze Air Fryer 6 Qt

The COSORI 9-in-1 TurboBlaze Air Fryer offers powerful performance with innovative TurboBlaze technology, delivering crispy, evenly cooked results. Its precise temperature control and smart features make it a top choice for safe, healthy family meals.
Pros:
- Powerful 3600 rpm fan for fast cooking
- Precise 90°–450°F temperature control
- Multiple cooking functions including bake and roast
- Smart control via smartphone app
Cons:
- Can produce smoke if not cleaned properly
- Larger size requires ample counter space
Best for: Versatile cooking with fast, even results in a large 6 Qt capacity
Not ideal for: Users seeking a compact or budget-friendly model
Bottom line: A versatile air fryer that combines power and smart features for excellent cooking results.
ALJ 3PCS Air Fryer Oven Mesh Rack

The ALJ 3PCS Air Fryer Oven Mesh Rack enhances airflow and crispiness while making cleanup easier. It’s compatible with COSORI 10QT and 13QT models, perfect for expanding your cooking options.
Pros:
- Improves airflow for even cooking
- Made of food-grade stainless steel
- Dishwasher safe
- Easy to install and clean
Cons:
- Requires additional space in the oven
- Not compatible with smaller models
Best for: Enhancing airflow and crispiness in large air fryers
Not ideal for: Use in compact or smaller models
Bottom line: A durable, practical addition to maximize your air fryer’s performance.
Frequently Asked Questions
Why is my COSORI air fryer smoking during use?
Smoking is often caused by accumulated grease, food residue, or oil build-up inside the basket or around the heating element. It can also occur if liners are used improperly or if the air fryer is overfilled.
How often should I clean my air fryer to prevent smoking?
It’s best to clean your air fryer after every use to prevent grease and food residue buildup, which are common causes of smoking.
Can I use liners or parchment paper in my COSORI air fryer?
Yes, but avoid placing liners during preheating and ensure they are weighted down with food to prevent flying up and touching the heating element, which can cause smoke.
What should I do if cleaning doesn’t stop the smoking?
If cleaning doesn’t resolve the issue, inspect the heating element and fan for damage or residual buildup. Consider replacing worn parts or contacting customer support for further assistance.
Keep Your COSORI Air Fryer Smoke-Free and Safe
Regular cleaning and proper use are key to preventing smoking and maintaining your air fryer’s performance. By following these troubleshooting steps, you can enjoy delicious, healthy meals without worries about smoke or safety issues. Always prioritize safety and consult your user manual for specific maintenance instructions.
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