Cosori
Temperature Sensing or Control Calibration Error
Temperature is inaccurate; food undercooks or overcooks at 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 drifting NTC temperature sensor, Poor thermal contact between sensor and cavity, Grease buildup insulating sensor, Faulty control algorithm on main PCB
How to Fix / Troubleshooting
Safety first: Use an oven thermometer to verify temperature; avoid touching hot surfaces.
- Step 1 – Verify temperature: Place an oven-safe thermometer in the basket and run the air fryer at a known setting (e.g., 400°F/200°C). Compare the reading after preheat.
- Step 2 – Clean sensor area: Once cool, clean the interior top area around the heating element and sensor to remove grease that can insulate the sensor.
- Step 3 – Replace sensor: If readings are consistently off by a large margin, replace the temperature sensor (NTC probe).
- Step 4 – Replace control board: If a new sensor does not correct the issue, the main control PCB may be miscalibrated and should be replaced.
- Step 5 – Adjust recipes: As a temporary workaround, adjust temperature or time based on your thermometer readings.
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Repair Difficulty
Medium
3/5
Required Part
Temperature Sensor (NTC Probe) Assembly
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