Ninja
Ninja Air Fryers Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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E01
Air fryer will not start; display shows E01 immediately after pressing START.
Overheat Protection / High Temperature Sensor Fault
E02
Air fryer beeps and displays E02 shortly after starting a cook cycle; fan may run briefly then stop.
Temperature Sensor (NTC) Circuit Fault
E03
Display shows E03 and the air fryer will not heat; fan may still run.
Heating Element / Thermal Cutoff Fault
E04
E04 appears on the display and the unit shuts down mid-cycle, often when cooking at high temperatures.
Overcurrent / Power Supply Fault
E05
E05 displays and the air fryer will not start; sometimes appears after a power surge or outage.
Control Board Communication / Internal Memory Error
E06
E06 appears and the fan does not run; unit may heat briefly then shut down.
Fan Motor / Fan Tachometer Fault
E07
E07 error appears when trying to start; unit may beep repeatedly and refuse to run.
Lid / Basket Presence Switch Fault
E08
E08 displays and the unit shuts off shortly after starting, often with a loud relay click.
Relay / Heater Drive Fault
E09
E09 appears and the unit may power on but buttons are unresponsive or partially responsive.
Touch Panel / Keypad Communication Fault
E10
E10 error appears when attempting to use dual-zone or multi-drawer Ninja air fryers; one side may not start.
Zone Synchronization / Drawer Detection Fault
E11
E11 appears and the unit will not start; often associated with models that have built-in Wi‑Fi or smart features.
Low Voltage / Power Supply Regulation Fault
E12
E12 error appears intermittently; unit may stop mid-cycle and then restart after cooling.
Internal Overtemperature / Cooling Failure
E13
E13 appears and the unit refuses to start; often after the unit has been dropped or impacted.
Internal Sensor Calibration / Out-of-Range Fault
E14
E14 error appears on some Ninja models with integrated probes or smart thermometers; cooking cannot start.
Food Probe / Accessory Sensor Fault
E15
E15 appears and the unit may shut down unexpectedly; often associated with models that have internal current sensors.
Fan Overload / Motor Overcurrent Fault
Symptom
Air fryer does not power on at all; no lights or display when plugged in.
No Power / Dead Unit
Symptom
Air fryer emits a strong burning plastic or electrical smell during use.
Overheating Component / Insulation Burn
Symptom
Air fryer heats but the fan does not run; food burns on top and cooks unevenly.
Fan Not Running / Convection Failure
Symptom
Air fryer leaks grease or liquid onto the countertop during or after cooking.
Leakage from Basket or Pan
Symptom
Air fryer makes loud rattling, grinding, or squealing noises during operation.
Mechanical Noise / Fan or Motor Issue
Symptom
Air fryer overheats and burns food even when set to a lower temperature; exterior may feel excessively hot.
Temperature Regulation Failure / Stuck Heater
Symptom
Air fryer powers on but will not start cooking when START is pressed; no error code displayed.
Start Inhibit / Safety Interlock Not Engaged
Symptom
Air fryer runs but does not heat; fan operates normally and no error code is shown.
No Heat / Open Heater Circuit
Symptom
Air fryer temperature is inaccurate; food undercooks or overcooks compared to the set temperature.
Temperature Calibration / Sensor Drift
Symptom
Air fryer vibrates excessively or "walks" on the countertop during use.
Excessive Vibration / Imbalanced Load
Symptom
Basket is difficult to insert or remove; it may stick or jam in the rails.
Mechanical Binding / Basket Rail Deformation
Symptom
Condensation or water droplets form on the control panel or drip down the front during cooking.
Condensation Management / Steam Routing Issue
Symptom
Display is very dim, flickers, or goes blank during cooking but the unit continues to run.
Display Power / Backlight Issue
Symptom
Display works but some buttons do not respond or require very hard presses.
Unresponsive Touch Controls
Symptom
Food cooks unevenly; some areas are burnt while others are undercooked.
Uneven Airflow / Hot Spot Formation
Symptom
Nonstick coating inside the basket or pan is peeling or flaking.
Coating Degradation / Surface Damage
Symptom
Steam or smoke escapes excessively from the sides or front of the basket area.
Poor Seal Between Basket and Housing
Symptom
Strong chemical or paint-like odor persists after multiple uses.
Persistent Off-Gassing / Contamination
Symptom
Timer counts down but heater and fan do not run; unit appears "on" but not cooking.
Output Stage Failure / Logic Only Operation
Symptom
Unit beeps repeatedly and pauses cooking when the basket is jostled or lightly bumped.
Intermittent Basket Detection / Loose Interlock
Symptom
Unit shuts off mid-cycle without any error code; may restart after cooling.
Intermittent Power Loss / Thermal Trip
Symptom
Unit trips the household circuit breaker or GFCI outlet when starting or during use.
Ground Fault / Overcurrent Condition
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E01 |
Air fryer will not start; display shows E01 immediately after pressing START.
|
Overheat Protection / High Temperature Sensor Fault | View Details |
| E02 |
Air fryer beeps and displays E02 shortly after starting a cook cycle; fan may run briefly then stop.
|
Temperature Sensor (NTC) Circuit Fault | View Details |
| E03 |
Display shows E03 and the air fryer will not heat; fan may still run.
|
Heating Element / Thermal Cutoff Fault | View Details |
| E04 |
E04 appears on the display and the unit shuts down mid-cycle, often when cooking at high temperatures.
|
Overcurrent / Power Supply Fault | View Details |
| E05 |
E05 displays and the air fryer will not start; sometimes appears after a power surge or outage.
|
Control Board Communication / Internal Memory Error | View Details |
| E06 |
E06 appears and the fan does not run; unit may heat briefly then shut down.
|
Fan Motor / Fan Tachometer Fault | View Details |
| E07 |
E07 error appears when trying to start; unit may beep repeatedly and refuse to run.
|
Lid / Basket Presence Switch Fault | View Details |
| E08 |
E08 displays and the unit shuts off shortly after starting, often with a loud relay click.
|
Relay / Heater Drive Fault | View Details |
| E09 |
E09 appears and the unit may power on but buttons are unresponsive or partially responsive.
|
Touch Panel / Keypad Communication Fault | View Details |
| E10 |
E10 error appears when attempting to use dual-zone or multi-drawer Ninja air fryers; one side may not start.
|
Zone Synchronization / Drawer Detection Fault | View Details |
| E11 |
E11 appears and the unit will not start; often associated with models that have built-in Wi‑Fi or smart features.
|
Low Voltage / Power Supply Regulation Fault | View Details |
| E12 |
E12 error appears intermittently; unit may stop mid-cycle and then restart after cooling.
|
Internal Overtemperature / Cooling Failure | View Details |
| E13 |
E13 appears and the unit refuses to start; often after the unit has been dropped or impacted.
|
Internal Sensor Calibration / Out-of-Range Fault | View Details |
| E14 |
E14 error appears on some Ninja models with integrated probes or smart thermometers; cooking cannot start.
|
Food Probe / Accessory Sensor Fault | View Details |
| E15 |
E15 appears and the unit may shut down unexpectedly; often associated with models that have internal current sensors.
|
Fan Overload / Motor Overcurrent Fault | View Details |
| – |
Air fryer does not power on at all; no lights or display when plugged in.
|
No Power / Dead Unit | View Details |
| – |
Air fryer emits a strong burning plastic or electrical smell during use.
|
Overheating Component / Insulation Burn | View Details |
| – |
Air fryer heats but the fan does not run; food burns on top and cooks unevenly.
|
Fan Not Running / Convection Failure | View Details |
| – |
Air fryer leaks grease or liquid onto the countertop during or after cooking.
|
Leakage from Basket or Pan | View Details |
| – |
Air fryer makes loud rattling, grinding, or squealing noises during operation.
|
Mechanical Noise / Fan or Motor Issue | View Details |
| – |
Air fryer overheats and burns food even when set to a lower temperature; exterior may feel excessively hot.
|
Temperature Regulation Failure / Stuck Heater | View Details |
| – |
Air fryer powers on but will not start cooking when START is pressed; no error code displayed.
|
Start Inhibit / Safety Interlock Not Engaged | View Details |
| – |
Air fryer runs but does not heat; fan operates normally and no error code is shown.
|
No Heat / Open Heater Circuit | View Details |
| – |
Air fryer temperature is inaccurate; food undercooks or overcooks compared to the set temperature.
|
Temperature Calibration / Sensor Drift | View Details |
| – |
Air fryer vibrates excessively or "walks" on the countertop during use.
|
Excessive Vibration / Imbalanced Load | View Details |
| – |
Basket is difficult to insert or remove; it may stick or jam in the rails.
|
Mechanical Binding / Basket Rail Deformation | View Details |
| – |
Condensation or water droplets form on the control panel or drip down the front during cooking.
|
Condensation Management / Steam Routing Issue | View Details |
| – |
Display is very dim, flickers, or goes blank during cooking but the unit continues to run.
|
Display Power / Backlight Issue | View Details |
| – |
Display works but some buttons do not respond or require very hard presses.
|
Unresponsive Touch Controls | View Details |
| – |
Food cooks unevenly; some areas are burnt while others are undercooked.
|
Uneven Airflow / Hot Spot Formation | View Details |
| – |
Nonstick coating inside the basket or pan is peeling or flaking.
|
Coating Degradation / Surface Damage | View Details |
| – |
Steam or smoke escapes excessively from the sides or front of the basket area.
|
Poor Seal Between Basket and Housing | View Details |
| – |
Strong chemical or paint-like odor persists after multiple uses.
|
Persistent Off-Gassing / Contamination | View Details |
| – |
Timer counts down but heater and fan do not run; unit appears "on" but not cooking.
|
Output Stage Failure / Logic Only Operation | View Details |
| – |
Unit beeps repeatedly and pauses cooking when the basket is jostled or lightly bumped.
|
Intermittent Basket Detection / Loose Interlock | View Details |
| – |
Unit shuts off mid-cycle without any error code; may restart after cooling.
|
Intermittent Power Loss / Thermal Trip | View Details |
| – |
Unit trips the household circuit breaker or GFCI outlet when starting or during use.
|
Ground Fault / Overcurrent Condition | View Details |
No matching codes found
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