![Hello I have just bought an ender 3 pro my extruder cooling fan is not working I have tested the terminal it was connected to on the motherboard with a multimeter and Hello I have just bought an ender 3 pro my extruder cooling fan is not working I have tested the terminal it was connected to on the motherboard with a multimeter and](https://preview.redd.it/ap1gf0fnsh881.jpg?width=640&crop=smart&auto=webp&s=3e4a28a2153faa968499cb097d1be796617a73e6)
Hello I have just bought an ender 3 pro my extruder cooling fan is not working I have tested the terminal it was connected to on the motherboard with a multimeter and
![Aibecy Ender Full Assembled Extruder Hotend Kit with Aluminum Heating Block 0.4mm Nozzle Cooling Fan 24V Compatible with Creality Ender-3/Ender-3 Pro 3D Printer - Walmart.com Aibecy Ender Full Assembled Extruder Hotend Kit with Aluminum Heating Block 0.4mm Nozzle Cooling Fan 24V Compatible with Creality Ender-3/Ender-3 Pro 3D Printer - Walmart.com](https://i5.walmartimages.com/asr/b008832c-cebb-4dc9-bf85-d9d3435af835.b66af9873aee537da678b167c4e7ffbc.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Aibecy Ender Full Assembled Extruder Hotend Kit with Aluminum Heating Block 0.4mm Nozzle Cooling Fan 24V Compatible with Creality Ender-3/Ender-3 Pro 3D Printer - Walmart.com
![Amazon.com: Ender 3/3 Pro/5 Extruder Hot End Fan 24V 40x40x10mm - Original Replacement : Industrial & Scientific Amazon.com: Ender 3/3 Pro/5 Extruder Hot End Fan 24V 40x40x10mm - Original Replacement : Industrial & Scientific](https://m.media-amazon.com/images/I/51NAKocjMJL._SL1024_.jpg)