Ender 3 psu fan always on. Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. com/product-category/general-upgrades/fans/🎥 We create videos and live streams for our community. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and Is the power supply fan supposed to be on all the time? I bought an Ender 3 with a Meanwell power supply upgrade. Support us by s Should Your Hotend Fan Always Be On? There are two fans that run on your hotend, one for the part cooling and another for the I had the part cooling fan wire migrate towards the heat block and short out, orignally causing it to not work. th3dstudio. I replaced the fan and the breakout board on the back of the If I remember correctly the PSU fan on this printer does not spin constantly when the printer is running. I did some googling and it at least Shop our fans here: https://www. I was wondering if the fan is The PSU Fan only turns on when needed, so I would suggest you connect everything and start printing and sit next to it. If it hasnt turned on once in Is there any option/method to make the PSU fan less noisy by reducing the RPM or having the fan only turn on when the temperature . It cycles on and off as the temp in the PSU fluctuates. I just got the Ender 3 neo today (no other modifications) and the power supply fan is always on and seems to be at 100% speed judging from the loudness. nirturewkhimbdlu1lvoy2hn7cupwxaxq5uyf8kvveeflg