Granitestone
Granitestone 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
Air fryer will not start and displays E1 on the control panel.
NTC Temperature Sensor Open Circuit
E10
E10 appears and the air fryer will not start; sometimes accompanied by a beeping alarm.
Door / Basket Position Sensor Fault
E11
E11 error code with no heating and intermittent fan operation.
Fan Speed / Tachometer Feedback Error
E12
E12 appears and the unit will not respond to temperature adjustments.
Temperature Calibration / Range Error
E2
Air fryer beeps and shows E2 shortly after starting a cooking cycle.
NTC Temperature Sensor Short Circuit / Overrange
E3
Display shows E3 and the air fryer stops heating during operation.
Overtemperature Protection / High Temperature Error
E4
Air fryer displays E4 and will not start a cooking cycle.
Overheat / Thermal Cutoff Tripped or Open
E5
E5 appears on the display and the unit shuts off shortly after starting.
Power Supply / Voltage Error
E6
Display shows E6 and the air fryer does not heat, though the fan may still run.
Heating Element Circuit Fault
E7
E7 error appears and the fan does not run; unit may still light up.
Convection Fan Motor Fault
E8
E8 appears and the display or buttons behave erratically, sometimes freezing.
Control Panel / Touch Keypad Communication Error
E9
E9 error code appears and the unit will not power on fully or shuts off quickly.
Internal Communication / MCU Error
Symptom
Air fryer does not power on at all; no lights or display.
No Power / Dead Unit
Symptom
Air fryer emits a burning plastic or electrical smell during use.
Overheating Wiring / Component Failure
Symptom
Air fryer is leaking oil or liquid onto the countertop.
Leakage from Basket or Drip Tray
Symptom
Air fryer overheats food quickly or burns the outside while inside remains undercooked.
Overheating / Temperature Regulation Failure
Symptom
Air fryer powers on but does not heat; fan may still run.
No Heat / Heating Element Failure
Symptom
Air fryer underheats; takes very long to cook and never reaches set temperature.
Underheating / Weak Heating Performance
Symptom
Beeping alarm sounds continuously or randomly without any error code.
Alarm / Buzzer Circuit Malfunction
Symptom
Buttons on the touch panel do not respond or respond intermittently.
Unresponsive Touch Keypad
Symptom
Condensation or water droplets form on the control panel or around the vents.
Condensation / Steam Management Issue
Symptom
Convection fan does not run; food cooks unevenly and top surface may burn.
Fan Not Running
Symptom
Display is dim, flickering, or segments are missing.
Display / LED Module Fault
Symptom
Display lights up but air fryer will not start when pressing the Start button.
Start Circuit / User Interface Fault
Symptom
Drawer or basket is difficult to slide in or out; may stick or jam.
Drawer Rail / Alignment Issue
Symptom
Exterior surfaces become excessively hot to the touch during normal use.
Insulation / Heat Shield Degradation
Symptom
Fan is very loud, rattling, or grinding during operation.
Noisy Fan / Fan Bearing Wear
Symptom
Food cooks unevenly; some areas are overdone while others are undercooked.
Uneven Airflow / Temperature Distribution
Symptom
Interior light (if equipped) does not turn on, but unit otherwise works.
Cavity Light Failure
Symptom
Nonstick coating on basket or drawer is peeling or flaking.
Coating Degradation / Surface Damage
Symptom
Persistent smoke from the air fryer during normal cooking (not just initial burn-off).
Excessive Grease Smoke / Poor Ventilation
Symptom
Strong rancid or stale odor from the air fryer even when not in use.
Odor / Contamination Buildup
Symptom
Timer counts down too fast or too slow compared to real time.
Timer / Clock Calibration Error
Symptom
Unit does not beep at the end of the cycle; otherwise functions normally.
End-of-Cycle Buzzer Not Working
Symptom
Unit gives a mild electric shock or tingling when touched.
Chassis Leakage / Grounding Issue
Symptom
Unit shuts off mid-cycle without any error code.
Intermittent Power Loss / Thermal Protection
Symptom
Unit trips the household circuit breaker or GFCI when starting.
Short Circuit / Ground Fault
Symptom
Unit vibrates excessively or rattles on the countertop during operation.
Excessive Vibration / Mechanical Imbalance
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| E1 |
Air fryer will not start and displays E1 on the control panel.
|
NTC Temperature Sensor Open Circuit | View Details |
| E10 |
E10 appears and the air fryer will not start; sometimes accompanied by a beeping alarm.
|
Door / Basket Position Sensor Fault | View Details |
| E11 |
E11 error code with no heating and intermittent fan operation.
|
Fan Speed / Tachometer Feedback Error | View Details |
| E12 |
E12 appears and the unit will not respond to temperature adjustments.
|
Temperature Calibration / Range Error | View Details |
| E2 |
Air fryer beeps and shows E2 shortly after starting a cooking cycle.
|
NTC Temperature Sensor Short Circuit / Overrange | View Details |
| E3 |
Display shows E3 and the air fryer stops heating during operation.
|
Overtemperature Protection / High Temperature Error | View Details |
| E4 |
Air fryer displays E4 and will not start a cooking cycle.
|
Overheat / Thermal Cutoff Tripped or Open | View Details |
| E5 |
E5 appears on the display and the unit shuts off shortly after starting.
|
Power Supply / Voltage Error | View Details |
| E6 |
Display shows E6 and the air fryer does not heat, though the fan may still run.
|
Heating Element Circuit Fault | View Details |
| E7 |
E7 error appears and the fan does not run; unit may still light up.
|
Convection Fan Motor Fault | View Details |
| E8 |
E8 appears and the display or buttons behave erratically, sometimes freezing.
|
Control Panel / Touch Keypad Communication Error | View Details |
| E9 |
E9 error code appears and the unit will not power on fully or shuts off quickly.
|
Internal Communication / MCU Error | View Details |
| – |
Air fryer does not power on at all; no lights or display.
|
No Power / Dead Unit | View Details |
| – |
Air fryer emits a burning plastic or electrical smell during use.
|
Overheating Wiring / Component Failure | View Details |
| – |
Air fryer is leaking oil or liquid onto the countertop.
|
Leakage from Basket or Drip Tray | View Details |
| – |
Air fryer overheats food quickly or burns the outside while inside remains undercooked.
|
Overheating / Temperature Regulation Failure | View Details |
| – |
Air fryer powers on but does not heat; fan may still run.
|
No Heat / Heating Element Failure | View Details |
| – |
Air fryer underheats; takes very long to cook and never reaches set temperature.
|
Underheating / Weak Heating Performance | View Details |
| – |
Beeping alarm sounds continuously or randomly without any error code.
|
Alarm / Buzzer Circuit Malfunction | View Details |
| – |
Buttons on the touch panel do not respond or respond intermittently.
|
Unresponsive Touch Keypad | View Details |
| – |
Condensation or water droplets form on the control panel or around the vents.
|
Condensation / Steam Management Issue | View Details |
| – |
Convection fan does not run; food cooks unevenly and top surface may burn.
|
Fan Not Running | View Details |
| – |
Display is dim, flickering, or segments are missing.
|
Display / LED Module Fault | View Details |
| – |
Display lights up but air fryer will not start when pressing the Start button.
|
Start Circuit / User Interface Fault | View Details |
| – |
Drawer or basket is difficult to slide in or out; may stick or jam.
|
Drawer Rail / Alignment Issue | View Details |
| – |
Exterior surfaces become excessively hot to the touch during normal use.
|
Insulation / Heat Shield Degradation | View Details |
| – |
Fan is very loud, rattling, or grinding during operation.
|
Noisy Fan / Fan Bearing Wear | View Details |
| – |
Food cooks unevenly; some areas are overdone while others are undercooked.
|
Uneven Airflow / Temperature Distribution | View Details |
| – |
Interior light (if equipped) does not turn on, but unit otherwise works.
|
Cavity Light Failure | View Details |
| – |
Nonstick coating on basket or drawer is peeling or flaking.
|
Coating Degradation / Surface Damage | View Details |
| – |
Persistent smoke from the air fryer during normal cooking (not just initial burn-off).
|
Excessive Grease Smoke / Poor Ventilation | View Details |
| – |
Strong rancid or stale odor from the air fryer even when not in use.
|
Odor / Contamination Buildup | View Details |
| – |
Timer counts down too fast or too slow compared to real time.
|
Timer / Clock Calibration Error | View Details |
| – |
Unit does not beep at the end of the cycle; otherwise functions normally.
|
End-of-Cycle Buzzer Not Working | View Details |
| – |
Unit gives a mild electric shock or tingling when touched.
|
Chassis Leakage / Grounding Issue | View Details |
| – |
Unit shuts off mid-cycle without any error code.
|
Intermittent Power Loss / Thermal Protection | View Details |
| – |
Unit trips the household circuit breaker or GFCI when starting.
|
Short Circuit / Ground Fault | View Details |
| – |
Unit vibrates excessively or rattles on the countertop during operation.
|
Excessive Vibration / Mechanical Imbalance | View Details |
No matching codes found
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