Ninja
Temperature Calibration / Sensor Drift
Air fryer temperature is inaccurate; food undercooks or overcooks compared to the set temperature.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Aged or contaminated temperature sensor, Poor airflow due to grease buildup, Control board calibration drift, Misplaced sensor probe
How to Fix / Troubleshooting
Safety first: Unplug and cool the unit before cleaning or internal inspection.
- Step 1 – Verify with thermometer: Use an oven-safe thermometer placed in the basket to compare actual temperature to the set temperature. Allow at least 10 minutes of preheat.
- Step 2 – Clean interior: Remove grease and food buildup from the interior walls, especially around the sensor and heater. Grease can insulate the sensor and cause false readings.
- Step 3 – Avoid overloading: Overfilled baskets restrict airflow and can cause uneven cooking. Cook in smaller batches to test consistency.
- Step 4 – Sensor inspection (advanced): Ensure the sensor probe is firmly mounted and not bent away from its designed position.
- Step 5 – Compensation: If the unit is consistently off by a known amount (e.g., 25°F low), you can temporarily adjust recipes while planning for sensor or board replacement if precision is critical.
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Repair Difficulty
Medium
3/5
Required Part
Temperature Sensor Probe (NTC)
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