E2
Princess
NTC Temperature Sensor Short Circuit / Overheat Detection
Display shows E2 and the air fryer stops heating shortly after start.
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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
Shorted NTC sensor, Melted sensor insulation touching chassis, Moisture or grease contamination on sensor connector, Faulty main control PCB interpreting sensor signal
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the air fryer to cool fully before inspection.
Steps to troubleshoot E2:
- Clean and dry: Remove the basket and drawer. Check the interior top area around the heater and sensor for heavy grease buildup. Clean with a slightly damp cloth and mild detergent, then dry thoroughly. Moisture or grease can cause sensor shorts.
- Inspect sensor lead insulation: Access the top cover to view the NTC sensor wiring. Look for melted insulation, bare wires touching metal, or signs of arcing.
- Check resistance: With a multimeter, measure the NTC sensor at room temperature. A reading near 0 Ω indicates a short. Compare to expected range (often 50–200 kΩ). If shorted, the sensor must be replaced.
- Examine connector: Unplug and replug the sensor connector on the control PCB. Clean any visible grease or moisture around the plug.
- Replace components: If the sensor tests shorted, install a new NTC temperature sensor assembly. If the sensor is normal but E2 persists, the main control PCB may be defective and require replacement.
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Repair Difficulty
Hard
4/5
Required Part
NTC Temperature Sensor Assembly
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