What happened?
The printer is showing the message "Print fan not spinning. Check it for possible debris, then inspect the wiring."
Error name: Print fan error
Error code: #31816 (CORE One) #35816 (CORE One L) #26816 (MK4S) #27816 (MK3.9S) #28816 (MK3.5S) #13816 (MK4) #21816 (MK3.9) #23816 (MK3.5) #17816 (XL) #12816 (MINI)
How to fix it?
Check if nothing is stopping the fan from spinning. Use compressed air to clean the fan blades.
If the issue persists, check the fan cables:
 |  |
| Loveboard wiring (CORE One, CORE One L, MK4/S, MK3.9/S) | Dwarf board (XL) |
Buddy board (MINI/+)
In case you see any damage, make some Photo and video documentation and contact our Customer support.
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