Private on-device repair evidence

Hotend Not Heating or Heating Too Slowly

Verify the heater cartridge, thermistor reading, connectors, power supply, hotend assembly, and fan airflow before changing slicer temperatures.

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
Power down and cool the printer before inspecting connectors.Not completed
2
Check the heater cartridge and thermistor are secure in the block.Not completed
3
Inspect toolhead wiring through its full travel for pinching or intermittent contact.Not completed
4
Confirm the installed heater voltage and wattage match the printer.Not completed
5
Check the silicone sock and fan duct are correctly fitted.Not completed
6
Perform a supervised heat test and observe whether the reading is smooth.Not completed
7
Run heater calibration only after the hardware checks pass.Not completed
8
Replace damaged parts with manufacturer-compatible components.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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