E10
Tristar
Internal Temperature Calibration Error
E10 error code appears and the unit will not start preheating.
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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
Out-of-range NTC sensor reading, Corrupted control board calibration data, Faulty main control PCB
How to Fix / Troubleshooting
Safety: Unplug the unit and allow it to cool.
- Factory reset (if supported):
- Consult the Tristar user manual for a factory reset or calibration procedure (often involves holding specific buttons while plugging in).
- Perform the reset and test again.
- Check sensor placement:
- Access the heater area and verify the NTC sensor is firmly attached to the heater plate or air channel as designed.
- If it has come loose and is hanging in free air, reattach using the original clip or bracket.
- Inspect wiring: Ensure the sensor harness is not damaged or pinched and that the connector is fully seated on the main PCB.
- Replace components: If the sensor and wiring are intact but E10 persists even after reset, the main control PCB is likely miscalibrated or faulty and should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Main Control PCB
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