Meanwell Power Supply Fan Noise, For the first few days, the fan seemed to turn on occasionally before turning back off again during prints. About the only complaint I have read about that power supply is that the cooling fan is noisy and always on. Apr 29, 2024 · While some level of noise is normal, excessive coil whine is a sign of an underlying problem. I've replaced my rather noisy stock meanwell PSU fan for my Ender 3 Pro with a 12v Noctua 92mm fan. 36 votes, 21 comments. Visible features include the cooling fan grille, the input terminal block (labeled 'L', 'N', and 'GND' for Line, Neutral, and Ground), the output terminal block (labeled '+V' and '-V' for positive and negative DC output), and a yellow warning label indicating the AC Ender 3 Pro meanwell power supply fan VERY loud So got the ender 3 pro on sale and set it up today I swapped out the motherboard with the newer V1. This image displays the top surface of the Mean Well LRS-350-24 power supply. When the PWM (assumed) output is low such that it is not enough to actually rotate, it'll whistle. I extended the wires of the fan and build it in a small case that keeps the noise inside, but this is not a final solution. This was the same behaviour I had before with my stock fan. I soldered to the male connector that the original fan used. I was tired of the noise from Dec 28, 2016 · My power supplies that do have fans (non meanwells) produce more noise than my biggest 2. In the tech specs of meanwell it is written that the fans should only switch on at when the temperature is higher equals 50C. They use higher-quality components that provide consistent, clean power with fewer spikes and sags. Is this normal ? Should i send it back ( i would be without light ) or is there a replacement fan i could retrofit etc Hi all. I created a custom cover to mount a 120mm PC case fan in place of the 60mm fan included in the Mean Well LRS-350 power supply. The one I fix as an example is a MeanWell-branded one, but the steps in this guide are the same for cheaper no-name power supplies. This is printed in transparent yellow PETG from Prusa. The power supply supplies the fan with 24v so you'll need to reduce the voltage and/or current. There is no danger of a failed fan damaging a machine or the power supply as a result. Apr 16, 2018 · The fan on the meanwell will be the loudest aspect of the printer now - but personally, I don't find the meanwell fan to be that loud anyway. Unfortunately, the tiny 40mm fans inside the specific models I work with, are incredibly loud, significantly affecting comfort and actually worsened my tinnitus. . Are you tired of loud PSU fan noise disrupting your PC experience? In this guide, I’ll show you simple steps to fix and quiet down your PC’s power supply fan noise. 5 Silent board during the assembly of the printer and all works well. Safety: MeanWell power supplies are more reliable and safer than the cheap stock unit. 39K subscribers in the ender3v2 community. Experiencing your Meanwell power supply fan ramping up and down repeatedly? Discover common causes and effective troubleshooting tips to stabilize fan performance and protect your device. That thing is so dang loud, that and my single 5015 fan at 100% compete for which one is the loudest. The second one, which is why I ask, is the fan inside the power supply. The power supply's failsafe begins throttling power if the temperature exceeds 122F and if the temperature continues rising (if the fan failed, for example) then a power-off trigger kicks in at 158F to protect the power supply and machine it's attached to. There's nothing worse than having the PC that's sitting right next to you produce an annoying noise. It may be the GPU with some coil whine, but we have that Sep 21, 2020 · Would it be possible to reduce the noise of a fan? Noise is directly related to the fan which is build into the power supply. You can use this guide to silence any 3D printer, home CNC machine, laser engraver, or LED strip power supply with a fan. Feb 19, 2020 · However, I'm not sure if it was doing it the first 1-2 days, but my Power Supply (PSU) is now making a constant sound like coffee percolating- a sort of constant electronic hum, with constant, irregular differences in the noise, similar to coffee percolating, or perhaps similar to the arm of a mechanical hard drive randomly seeking to different Replacing the stock Ender 3 Power Supply with a Mean Well Power Supply from TH3D 3D Printer Enclosure - Extractor Fan with Temperature Controller - Wiring - PrusaBox, Tukkari, Lack. They're all outside and in containers that muffle a lot of the noise, doesn't bother me or anyone who comes to look at the show. The stock fan is loooouuuddd when it kicks on. Noise: The PSU fan only runs when needed (usually <20% of the time), meaning a much quieter printer. Lowering the airflow of the fan means reduci… 21/09/20 Technical Question MeanWell LRS-350 power supply fan always on Hi community, I am wondering as i am tuning my Hardware of the Ender-5 why the power supply fan is always running. 4kw power supplies when under load. MeanWell LRS-350 power supply fan always on Hi community, I am wondering as i am tuning my Hardware of the Ender-5 why the power supply fan is always running. Is the Ender-5 LRS 350 a special customized power supply Does MEAN WELL LED power supply allow adjustment of output voltage and current levels? a May 21, 2022 · Creality Ender 5 Plus Meanwell PSU fan noise fix I believe the Meanwell PSU uses a Server fan which is noisy for me so I designed this. Basically, if the noise is caused by a loud cooling fan (which it usually is), removing that fan Aug 31, 2022 · I have an open mesh case that let's out sound pretty easily, but I tested where the sound was mostly coming, and it was the PSU, otherwise the system was pretty quiet. Aug 5, 2021 · Meanwell shows a heatsinking solution of mounting the power supply to a large aluminum plate or chassis. The first one is running two 5015 fans as my filament cooling fans at 50% to see how they work in terms of noise level and cooling. NOTE: Beware of High Voltage. What you want is easy to find with the search term "DC to DC step down" on various sites like ebay and amazon. It's rated at 31dB and 19 CFM, while the CFM-6015V-130-213-20 is rated for 21dB and 17 CFM. Any ideas how to disable the fan and keep the power supply working? Dec 28, 2016 · So I investigated, and found the noise appears to be coming from the fan itself. To troubleshoot this issue start by verifying the load is within the power supply's rated capacity and that operating temperatures are within specified limits. Am I just unlucky or are they quite noisy? We would like to show you a description here but the site won’t allow us. A Subreddit for Ender 3 v2 users to seek help, share their creations and talk. 🔌 Introducing the MEAN WELL NDR-120 Series – Reliable Industrial DIN-Rail Power Solutions 🔌 We’re excited to highlight the MEAN WELL NDR-120 Series — a rugged, efficient, and space 🔌 Introducing the MEAN WELL NDR-120 Series – Reliable Industrial DIN-Rail Power Solutions 🔌 We’re excited to highlight the MEAN WELL NDR-120 Series — a rugged, efficient, and space Dec 10, 2020 · Just got a 600w 24vdc Meanwell power supply and the fan is very noisy. Is the Ender-5 LRS 350 a special customized power supply PSA: If you have a Meanwell power supply with a 12V fan, the CFM-6015V-130-213-20 is a great replacement Just ordered mine to replace the FD1260-S3112C that came with it. Well after building some more lights and getting a new power supply ( meanwell sp-480-48 ) , the power supply fans are louder than the rest of the tank. All the parts are brand May 2, 2025 · Working in robotics often means dealing with reliable yet noisy Meanwell power supplies. My old power supply was making some funny noises, so I swapped it out and upgraded to a Mean Well LRS-350-24 while I was at it. Jan 13, 2018 · I think with normal small (music) loads the power supply doesn't need the fan to keep it cool. I used the UHP-200 that way for an amp design, and it worked well. 0lfbcs, gqga, 442g, bac8, a3fn3, cb98sw, d5kks, k6sj, 6kpvd, c1hns,