Ninja Air Fryer Troubleshooting: Learn How to Fix All Issues!

Ninja Air Fryer Troubleshooting

The Ninja Air Fryer’s popularity is booming these days. It is a fantastic kitchen tool that enables you to cook a wide range of meals with little to no oil.

You already know how handy and efficient a Ninja Air Fryer is. However, similar to other electronic kitchen appliances, it may experience random issues or problems when used frequently.

In this post, I’ll discuss the most typical difficulties that users face, as well as the probable causes and solutions. You may prevent future problems in your air fryer by following this Ninja Air Fryer Troubleshooting guide.

What are the common problems of Ninja air fryers?

There are a few most common problems that might face often in your. Following Ninja air fryer troubleshooting of common problems are:

  1. Ninja Air Fryer Won’t Turn On.
  2. Ninja Air Fryer Won’t Heat Up.
  3. Ninja Air fryer Not Blowing Air.
  4. Air Fryer is Overheating.
  5. Shut Off While Cooking.
  6. Air Fryer Keeps Smoking.
  7. Air Fryer Leaking Grease.
  8. Uneven Cooking
  9. Air fryer Create Louder Noise.

1. Ninja air fryer won’t turn on


  • Power socket that isn’t working.
  • The air fryer does not have power.
  • Inadequate electricity supply.
  • Control panel that is not functional.
  • Possible Effects of Internal Damage.


  • Examine the power supply.
  • Properly connect it. Check the power supply.
  • Examine the air fryer’s inside.
  • Look to see if there is any interior damage.
  • If it still doesn’t work, contact the Ninja support team.

2. Ninja Air Fryer Won’t Heat Up


  • Power source that isn’t working.
  • Control panel that is not functioning properly.
  • Heat elements might damage.
  • Fan is not brewing.


  • Check the power supply and connect it plug again.
  • Examine the control panel. If you notice any damage stop using it and contact with Ninja.
  • Heating relevant to the heating elements. Look at the heating element carefully, there might have an issue there. Replace damaged heating elements.

3. Ninja Air fryer Not Blowing Air


  • The air fryer is not switched on.
  • The air fryer’s fan is obstructed.
  • The air fryer’s fan is broken.


  • By pushing the power button, you may turn on the air fryer.
  • Check to see if debris or food particles are obstructing the fan’s airflow. If so, turn off the air fryer and use a soft brush or cloth to clean the fan.
  • If none of the previous alternatives work, the fan may be defective and must be replaced. For help, please contact the manufacturer.

4. Air Fryer is Overheating


  • The air fryer has been used for a long time.
  • The temperature of the air fryer is too high.
  • The air vents on the air fryer are obstructed.
  • The thermostat or heating element of the air fryer is malfunctioning.


  • Let the air fryer cool for at least 30 minutes before using it again. If you’re using it for a long time, take breaks to cool it down.
  • Reduce the cooking temperature and avoid using the highest temperature setting. Follow the manufacturer’s recommendations for cooking temperatures and timings.
  • Check that the air fryer’s air vents are not obstructed by food or other things. Clean the air vents on a regular basis to avoid clogging.
  • If none of the previous alternatives work, the air fryer may have a malfunctioning thermostat or heating element, causing it to overheat.

5. Shut Off While Cooking


  • The overheating prevention mechanism for the air fryer has been activated.
  • The power cord for the air fryer is either unplugged or loose.
  • The timer on the air fryer is over.
  • Internal parts of the air fryer are malfunctioning.
  • The power cord or electrical components of the air fryer are malfunctioning.


  • Before using it again, give the air fryer at least 30 minutes to cool off. Make sure the air fryer is not obstructed by any items and is situated in a well-ventilated location.
  • Verify that the power cord is firmly inserted into a functional outlet. Make sure you plug the cord in firmly if it’s loose.
  • Make sure the air fryer’s timer has not expired by checking it. The air fryer will switch off automatically if the timer is over.
  • If none of the aforementioned fixes resolve the issue, there can be an issue with the air fryer’s internal parts, such as the thermostat or heating element.
  • If the air fryer frequently or seldom shuts off, it might be due to a faulty power cord or electrical components. 
  • Please contact the Ninja air fryer specialist team for assistance with internal parts or electrical components.

6. Air Fryer Keeps Smoking


  • The air fryer has too much oil or grease in it.
  • Using the air fryer at an excessively high temperature.
  • The heating element of the air fryer is defective.
  • The air fryer is defective or damaged.


  • After each usage, be sure to thoroughly clean the air fryer, especially the frying basket, and tray. Inspect the frying basket or tray’s bottom for any extra oil or grease that may have been collected there.
  • Reduce the temperature of cooking and prevent cooking at the highest temperature setting. Follow the manufacturer’s recommendations for cooking temperatures and durations.
  • If none of the aforementioned solutions work, the air fryer may have a defective heating element that is causing it to fume.
  • If you have attempted all of the aforementioned solutions and your air fryer continues to smoke, it may be defective or damaged. For assistance, contact the manufacturer or professional repair service.

7. Air Fryer Leaking Grease


  • If you overfill the basket, the extra oil and grease may flow down into the air fryer’s bottom and spill out.
  • The seal around the basket may get dirty or damaged over time, enabling grease to leak out while cooking.
  • If the cooking basket becomes broken or twisted, it may not fit correctly in the air fryer, resulting in leaks.
  • If the food you’re cooking has a lot of oil or grease, it might seep into the bottom of the air fryer and cause leaks.


  • Check for warping or damage to the frying basket. If this is the case, you may need to replace it.
  • To avoid oil and debris buildup, clean the air fryer on a regular basis, paying specific attention to the seal surrounding the basket.
  • Make sure not to overfill the basket with food, as this might cause extra oil and grease to flow out.
  • Cook with less oil or grease to limit the quantity of surplus oil that might cause leaks.
  • If the issue persists, contact the manufacturer for support.

8. Uneven Cooking

Uneven cooking is a typical problem when using an air fryer. It occurs when some areas of the dish are cooked longer than others, resulting in an uneven texture and flavor.


  • If you place too much food in the air fryer basket, the hot air may not circulate effectively, causing certain areas of the food to cook quicker than others.
  • Food with unequal thickness may cook unevenly.
  • Uneven cooking might occur if the temperature is too high or too low.
  • If you don’t cook the food for the recommended time, it causes uneven cooked.


  • To ensure that the hot air can flow evenly around the food in the air fryer basket, make sure there is enough room around the food.
  • Food should be cut into even pieces to ensure equal cooking.
  • To ensure that both sides cook equally, flip the dish halfway through cooking.
  • Follow the cooking time and temperature recommendations in the recipe or on the food packaging.
  • Consider buying an air fryer with a rotating basket to assist make sure the food cooks evenly.

9. Air fryer Create Louder Noise


  • The fan inside the air fryer could be going faster, which would make more noise.
  • If any of the parts inside the air fryer are loose or not fitting properly, they may rattle and make noise.
  • If there is too much food in the basket, it can make noise if the food hits the sides of the basket or the heating source.
  • If the motor isn’t working correctly, the air fryer might make more noise than usual.


  • Some air fryers have changeable fan speeds, so if you want to make less noise, try slowing down the fan.
  • Check all of the parts of the air fryer to make sure they fit and are tight.
  • Make sure the basket isn’t too full of food, which can make noise.
  • If the noise keeps happening, call the manufacturer’s customer service to find out if the motor is broken and needs to be fixed.

What are the common error of Ninja air fryer?

There are a few most common problems that might face often in your Ninja air fryer. Following Ninja air fryer troubleshooting of common error codes are:

  • Ninja E1 Error Code
  • Ninja E2 Error Code
  • Ninja E3 Error Code
  • Ninja E4 Error Code

Ninja E1 Error Code:

The Ninja Air Fryer ERR1 or, E1 error code indicates a malfunctioning temperature sensor.

Ninja E2 Error Code:

The Ninja air fryer E2 error code indicates a malfunction with the thermal fuse or temperature sensor.

Ninja E3 Error Code:

The Ninja Air Fryer E3 error code potentially indicates that the main unit has overheated.

Ninja E4 Error Code:

Internal circuit failure, sensor failure, or unstable power supply cause the Ninja air fryer ERR4 or, E4 error code.

Pro Tips:

  • Allowing your machine to cool down is the best and simplest way to resolve temperature and heating related issues.
  • Always maintain a neat and clean your air fryer to prevent any unpleasant incidents.
  • Do not attempt to repair it yourself if any internal issue occurs. Instead, call the Ninja air fryer support staff for assistance.

Robert’s Closing

Frequent use of the Ninja Air Fryer may cause unexpected issues or problems. Follow the Ninja Air Fryer Troubleshooting method I just suggested to avoid these issues. Troubleshooting is a sensitive word.

So, take your time determining the root reason. Remember, I never advise you to engage in internal troubleshooting. Contact the Ninja support team if you find any internal damage.

Latest posts by Robert Anderson (see all)

Leave a Comment