¶ 1. Phenomenon Description
Fan not working.
¶ 2. Cause analysis
The fan cable is loose or the cable is damaged.
Foreign matter in the fan cover, the fan blade is broken.
Fan fixing screws loose, wire interference.
¶ 3. Troubleshooting
Check whether foreign objects exist in the fan and clean the fan.
Check whether the screws that lock the fan are loose and tighten them.
Check whether the fan blade is broken without cable interference.
Test the ports on the adapter board of the model fans (on both sides of the hotend). Switch the adapter board ports of the model fan to test whether it rotates normally. If it works properly, the interface on the adapter board is faulty. If the fan does not work properly, there is a problem with the fan. For two results, please contact our customer service (cs@creality.com).
