Cuisinart 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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E1
Display shows E1 and the air fryer will not start or stops shortly after starting.
NTC Temperature Sensor Open Circuit
E2
Display shows E2 and the air fryer will not heat or shuts down quickly.
NTC Temperature Sensor Short Circuit / Overtemperature Detection
E3
Display shows E3 and the unit shuts off or refuses to start a cooking cycle.
Overtemperature Protection Trip / Thermal Fuse or Thermostat Fault
E4
Display shows E4 and the air fryer will not start or stops mid-cycle.
Internal Control Board Overheat / Sensor Range Error
E5
Display shows E5 and the unit will not heat or shuts down when heat is requested.
Heater Circuit Fault / Relay or Element Failure
E6
Display shows E6 and the fan does not run or the unit shuts down with a fan error.
Convection Fan Motor Fault
E7
Display shows E7 and the unit will not start or shuts off when the basket or door is closed.
Door / Basket Interlock Switch Fault
E8
Display shows E8 and the control panel is unresponsive or partially functional.
Keypad / Touch Control Panel Communication Error
E9
Display shows E9 and the unit may beep repeatedly and refuse to start.
Internal Voltage / Power Supply Error
Symptom
Air fryer heats but never reaches set temperature; cooking is consistently underdone and preheat takes very long.
Temperature Sensor Drift / Calibration Error
Symptom
Air fryer overheats, burning food even at moderate settings; exterior may feel excessively hot.
Temperature Regulation Failure / Stuck Heater Relay
Symptom
Air fryer powers on but does not heat; fan runs and timer counts down but food remains cold.
Heating Element Open or Thermal Cutoff Open
Symptom
Burning plastic or electrical smell during operation.
Overheating Wiring or Component Failure
Symptom
Buttons register by themselves or settings change without being touched.
Phantom Touch / Keypad Short
Symptom
Buzzing or humming noise from the control area when heating.
Heater Relay or Transformer Noise
Symptom
Condensation or small water droplets forming on the control panel or around the door.
Steam Venting / Condensation Management
Symptom
Display lights up but buttons do not respond or only some keys work intermittently.
Keypad / Touch Panel Failure
Symptom
Display segments are missing or unreadable, but buttons still work.
LED / LCD Display Failure
Symptom
Door does not close fully or pops open during cooking.
Door Latch Misalignment or Hinge Wear
Symptom
Door glass or viewing window becomes extremely hot to the touch.
Insulation or Door Seal Degradation
Symptom
Door or basket safety switch not engaging; unit shows door open symbol or will not start.
Mechanical Misalignment of Interlock Mechanism
Symptom
Excessive vibration or rattling of the entire unit during operation.
Imbalanced Load or Loose Internal Mounts
Symptom
Fan does not run; unit may heat but there is no air circulation and food cooks unevenly or burns near the heater.
Convection Fan Not Operating
Symptom
High-pitched squealing noise when the fan is running.
Dry or Failing Fan Motor Bearings
Symptom
Interior light does not turn on, but the unit otherwise works normally (models with interior light).
Interior Lamp Failure
Symptom
Loud rattling or grinding noise during operation, especially when the fan is running.
Fan Bearing Wear or Loose Components
Symptom
Nonstick coating on basket or tray is peeling or flaking.
Coating Degradation
Symptom
Persistent food or rancid oil odor even after cleaning.
Odor Retention from Grease and Porous Surfaces
Symptom
Smoke coming from the air fryer during normal cooking (not just first-time use).
Grease Accumulation / Overheating of Residues
Symptom
Timer counts down but heater and fan never start; only the display is active.
Control Logic or Output Failure
Symptom
Unit beeps and displays door/basket open icon even though the basket is fully inserted (drawer-style models).
Basket Detection Switch Failure
Symptom
Unit heats but fan speed seems very low; food cooks unevenly and takes longer.
Weak Convection Fan Motor
Symptom
Unit runs but cooking is very uneven; one side of food burns while the other remains undercooked.
Uneven Airflow or Partial Heater Failure
Symptom
Unit shuts off mid-cycle and restarts or loses settings randomly.
Intermittent Power Loss / Control Reset
Symptom
Unit trips household circuit breaker or GFCI when turned on or when heater engages.
Short Circuit or Ground Fault
Symptom
Unit will not power on at all; no lights, no display, no beeps.
No Power / Dead Appliance
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Display shows E1 and the air fryer will not start or stops shortly after starting.
|
NTC Temperature Sensor Open Circuit | View Details |
| E2 |
Display shows E2 and the air fryer will not heat or shuts down quickly.
|
NTC Temperature Sensor Short Circuit / Overtemperature Detection | View Details |
| E3 |
Display shows E3 and the unit shuts off or refuses to start a cooking cycle.
|
Overtemperature Protection Trip / Thermal Fuse or Thermostat Fault | View Details |
| E4 |
Display shows E4 and the air fryer will not start or stops mid-cycle.
|
Internal Control Board Overheat / Sensor Range Error | View Details |
| E5 |
Display shows E5 and the unit will not heat or shuts down when heat is requested.
|
Heater Circuit Fault / Relay or Element Failure | View Details |
| E6 |
Display shows E6 and the fan does not run or the unit shuts down with a fan error.
|
Convection Fan Motor Fault | View Details |
| E7 |
Display shows E7 and the unit will not start or shuts off when the basket or door is closed.
|
Door / Basket Interlock Switch Fault | View Details |
| E8 |
Display shows E8 and the control panel is unresponsive or partially functional.
|
Keypad / Touch Control Panel Communication Error | View Details |
| E9 |
Display shows E9 and the unit may beep repeatedly and refuse to start.
|
Internal Voltage / Power Supply Error | View Details |
| – |
Air fryer heats but never reaches set temperature; cooking is consistently underdone and preheat takes very long.
|
Temperature Sensor Drift / Calibration Error | View Details |
| – |
Air fryer overheats, burning food even at moderate settings; exterior may feel excessively hot.
|
Temperature Regulation Failure / Stuck Heater Relay | View Details |
| – |
Air fryer powers on but does not heat; fan runs and timer counts down but food remains cold.
|
Heating Element Open or Thermal Cutoff Open | View Details |
| – |
Burning plastic or electrical smell during operation.
|
Overheating Wiring or Component Failure | View Details |
| – |
Buttons register by themselves or settings change without being touched.
|
Phantom Touch / Keypad Short | View Details |
| – |
Buzzing or humming noise from the control area when heating.
|
Heater Relay or Transformer Noise | View Details |
| – |
Condensation or small water droplets forming on the control panel or around the door.
|
Steam Venting / Condensation Management | View Details |
| – |
Display lights up but buttons do not respond or only some keys work intermittently.
|
Keypad / Touch Panel Failure | View Details |
| – |
Display segments are missing or unreadable, but buttons still work.
|
LED / LCD Display Failure | View Details |
| – |
Door does not close fully or pops open during cooking.
|
Door Latch Misalignment or Hinge Wear | View Details |
| – |
Door glass or viewing window becomes extremely hot to the touch.
|
Insulation or Door Seal Degradation | View Details |
| – |
Door or basket safety switch not engaging; unit shows door open symbol or will not start.
|
Mechanical Misalignment of Interlock Mechanism | View Details |
| – |
Excessive vibration or rattling of the entire unit during operation.
|
Imbalanced Load or Loose Internal Mounts | View Details |
| – |
Fan does not run; unit may heat but there is no air circulation and food cooks unevenly or burns near the heater.
|
Convection Fan Not Operating | View Details |
| – |
High-pitched squealing noise when the fan is running.
|
Dry or Failing Fan Motor Bearings | View Details |
| – |
Interior light does not turn on, but the unit otherwise works normally (models with interior light).
|
Interior Lamp Failure | View Details |
| – |
Loud rattling or grinding noise during operation, especially when the fan is running.
|
Fan Bearing Wear or Loose Components | View Details |
| – |
Nonstick coating on basket or tray is peeling or flaking.
|
Coating Degradation | View Details |
| – |
Persistent food or rancid oil odor even after cleaning.
|
Odor Retention from Grease and Porous Surfaces | View Details |
| – |
Smoke coming from the air fryer during normal cooking (not just first-time use).
|
Grease Accumulation / Overheating of Residues | View Details |
| – |
Timer counts down but heater and fan never start; only the display is active.
|
Control Logic or Output Failure | View Details |
| – |
Unit beeps and displays door/basket open icon even though the basket is fully inserted (drawer-style models).
|
Basket Detection Switch Failure | View Details |
| – |
Unit heats but fan speed seems very low; food cooks unevenly and takes longer.
|
Weak Convection Fan Motor | View Details |
| – |
Unit runs but cooking is very uneven; one side of food burns while the other remains undercooked.
|
Uneven Airflow or Partial Heater Failure | View Details |
| – |
Unit shuts off mid-cycle and restarts or loses settings randomly.
|
Intermittent Power Loss / Control Reset | View Details |
| – |
Unit trips household circuit breaker or GFCI when turned on or when heater engages.
|
Short Circuit or Ground Fault | View Details |
| – |
Unit will not power on at all; no lights, no display, no beeps.
|
No Power / Dead Appliance | View Details |
No matching codes found
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