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Mini shorts out after nozzle swap  

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mteilgard
(@mteilgard)
Active Member
Mini shorts out after nozzle swap

After a nozzle swap, done the way it says in the book(heat up, swap quickly while holding the breach with a spanner), my Prusa Mini shorts out (or something similar) as soon as I enable heating. Does anyone know what is likely to have failed, and what I can do to verify and fix?

Postato : 17/01/2025 7:14 pm
mteilgard
(@mteilgard)
Active Member
Topic starter answered:
RE:

https://storage.googleapis.com/prusa3d-content-prod-14e8-wordpress-forum-prod/2025/01/df09bc88-20250117_194900.mp4

(Second attempt at including video)

Postato : 17/01/2025 7:15 pm
_KaszpiR_
(@_kaszpir_)
Prominent Member
RE: Mini shorts out after nozzle swap

Loosen up th screw to the heater, look a the heater so that the cables of it are facing in your direction  and turn the heater anti clockwise for 90 degrees, screw back the bolt of the heater gently and try again.

Try to run printer tests and see if it works at all and when it reboots.

See my GitHub and printables.com for some 3d stuff that you may like.

Postato : 18/01/2025 8:56 am
mteilgard
(@mteilgard)
Active Member
Topic starter answered:
RE: Mini shorts out after nozzle swap

Think I figured it out, the heater is dead. Measures at 0.5 Ohms, was expecting 14.4 Ohms based on the wattage. Ordered a new one 🙂

Postato : 18/01/2025 8:25 pm
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