Private on-device repair evidence

Thermistor Error and Jumping Temperature Readings

Treat sudden temperature jumps as a sensor or wiring fault: stop heating, inspect the sensor, connector, cable path, and configured thermistor type.

Not started0 of 8 stepsNot yet saved

First safe actionRun the first safe check and change one variable at a time.

Proof targetA small representative test no longer shows the original symptom.

Controlled tests logged0

Verification resultNot recorded

Machine and material context

Record the setup that produced this result

Printer Extruder Material Slicer Nozzle / layer

Saved only in this browser with the repair. Nothing is uploaded.

Optional visual proof

Before repairChoose a photo After proof testChoose a photo

Photos stay in this open page only and are never stored or uploaded. They appear in the printed report while the page remains open.

One variable at a time

No controlled tests have been logged yet. Return to Workshop Mode and record each change before running another test.

Repair sequence

1
Stop the print and disable heaters.Not completed
2
Allow the hotend to cool, then inspect the sensor and its insulation.Not completed
3
Check the connector and cable through full toolhead movement.Not completed
4
Confirm the sensor is retained correctly without overtightening.Not completed
5
Verify the configured sensor type matches the installed part.Not completed
6
Replace damaged sensors rather than splicing near the hotend.Not completed
7
Run a supervised room-temperature and heat-up test.Not completed
8
Recalibrate the heater only after the reading is stable.Not completed

Private workshop notes

No notes recorded.

Model: Small representative test print
Setup: Use the same printer, material, slicer and key settings as the failed model.
Pass: The original symptom is absent and the target feature is repeatable.
If unchanged: The symptom remains in the same location or stage.

Matched next step

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