Cover the cable with the print fan, as seen in the picture.
First, insert the bottom of the fan into the fan shroud (printed part below the fan). Then, press the fan towards the print fan holder behind it.
¡No aprietes el cable!
⬢Make sure there is no gap between the print fan and the print fan holder behind it - meaning, the cable fits properly into the dedicated channel.
⬢Make sure the fan has been inserted properly into the fan shroud.