Private on-device repair evidence

Part Cooling Fan Not Spinning or Weak

Check slicer fan commands, fan ducts, debris, connector, voltage, and fan direction before increasing cooling percentages.

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
Use the printer interface to test the fan at several percentages.Not completed
2
Inspect and clean the blades and duct.Not completed
3
Confirm the duct points below the nozzle without touching the print.Not completed
4
Review first-layer and material fan settings in the slicer.Not completed
5
Set a supported minimum fan speed if the fan stalls at low PWM.Not completed
6
Inspect connector and cable during toolhead movement.Not completed
7
Replace a noisy, cracked, or unreliable fan with a compatible part.Not completed
8
Verify using a bridge or overhang test.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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