Ender 3 part cooling fan not working. I am running an Ender 3 S1 Pro with the Sonic pad. To turn off Fan1 which goes to the hot end heatsink fan Fan 2 which goes to the part cooling fan pointed at the nozzle On the other end of the cable, there's a marked K-Fan 2-pin connector, and two wires marked FAN+ and FAN-, both with crimped connectors for screw terminals. 1. Turn on fan with display turn on fan through terminal. However you are aware the blower is off by default and only on when printing, and in Cura the default setting is the fan is off on the 1st couple of Hey guys, I’m getting a little frustrated. Please check out the Fil Jan 14, 2023 · Here’s how to turn off the extruder fan on an Ender 3: Turn Off the Ender 3; Use a Custom Circuit; Wire it Up with Other Fans; 1. 2 bugfix Hey guys, first off just want to say I have been reading so many of your guides and have helped me so much to start my 3d printing journey, the problem I'm having is I am upgrading my hot end and part cooling fans and have adjusted buck converter for the hot end (before connecting it up) because that has voltage from the minute I turn it on but can't fins a way to activate the part cooling fan Heres some info that might help. Actual behavior. This appears to be a mistake. In the original layout of the Ender 3 v1, the mainboard fan only runs in conjunction with the parts cooling fan. 2 board, i guess) Dec 1, 2021 · Hello. Nov 27, 2019 · In this video I go over how to rewire your main board fan so it doesn't shut off with the part cooling fan. This video was because of the video Chuck did over at Filament Friday. I was getting really great prints before the update but now I’m noticing that my prints have gone to hell. Jan 30, 2023 · To fix cooling or hotend fans not working, clean the fan blades and ensure that the fan cables are not cut or disconnected. If that does not work, there are no spare ports on the board that you can use. Nov 8, 2021 · Tried to turn on part cooling fan through display and gcode. The actual and safest way to turn OFF the extruder fan is to wait for the hotend to cool down to a certain temperature after completion of a print and then shut down your Ender 3. The part cooling fan needs to be controlled so you can turn it on or off. By default in cura, it is enabled after first or 2nd layer. I got an Ender 3 S1 Pro and the hot-end fan is kind of weak so I decided to replace it with a larger blower fan. 0. Yes, I am conducting this test while the hotend is hot and should the fan should be spinning. I have gone into the settings on the Ender and changed the value to 255 and it did spin, but starting a print it stops spinning. I dunno if it's fixed in the v2, but it's fixed in the SKR Mini. the board works well, but dont start any fan (doesn't even start the front fan that cools the heatblock) I checked with multimeter all the fan ports, and dont send any signal at all. 2 Check if the cooling fan screws are loose, tighten the screws again. I expect the part cooling fan to turn on. Here are some steps to follow when wiring the part cooling fan on your Ender 3 v2: 1. ) I recently got the Ender 3 and have had fantastic prints come off it but I have noticed that the cooling fan doesn't spin, It did spin when I first started prints. Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. The main board fan should always be running when the printer is on to prevent Feb 11, 2021 · I tested the part cooling fan again and it now no longer works. Mar 19, 2019 · Bloody hell, I’ve had this Ender 3 Max for over 2 bloody years! I’ve been adjusting the cooling fan manually, it’s been driving me crazy. 8 V. Let’s go through the most common issues that can lead to your layer fan not working properly! The cooling fan is broken. My fans were working fine and my printer was running like normal, but now my fans turn on as soon as I flip the power button. 2. 1A while this new fan is a 4020 rated at 24V, 0. The part cooling fan is responsible for cooling down the printed object as it is being built, helping to prevent warping and improve print quality. Nothing works. Can anyone help me? I have the same problem here. I have tried to get it to run during a print, but also with the setting for fan speed set to 255 in the menu. I checked both adjustable fan sockets on the board and both are showing 22. **EDIT I've now noticed the motherboard cooling fan is doing the same** I believe they're both driven by the same component on the motherboard so will it Welcome to the Ender 3 community, a specialized subreddit for all users of the Ender 3 3D printer. If you still haven’t found the problem in your layer fans, it’s time to check the hardware. . (There, the mainboard fan runs constantly. no part cooling fan. 2. 06A. Locate the Part Cooling Fan. log: klippy. Aside from this, ensure that correct voltages are being supplied to the fans. After watching a print to see why, I saw that the parts cooling fan wasn’t going. The part cooling fan is not the reason your clogging. I checked it's pins on the JST connector and the board and it to is showing 22. The original fan is a 4010 brower fan rated at 24V, 0. 4, but am still having the same issue so I'm very confused. So ridiculous that it was this simple. 2 - my hotend fan does not spin up. 9. Sometimes when I turn the printer on, both fans will run for about a second. -> Go to the screen menu and start up the fan for testing Also: The hotend cooling fan is (indirectly) wired to the PSU with some bridging cable (Should be a v4. I can set the fan speed in Cura, I can manually adjust it from the LCD - all that does nothing to my cooling fan. So as long as the part cooling fan doesn't run, the mb fan doesnt move either. Only with 2. Not a fan of "my_nozzle_fan" would rather have that labeled as hotend fan, or something my descriptive as its not the fan for my nozzle its the cool end fan [fan] is the nozzle/part cooling fan 3: Would really like to be able to set all my fans to run at different % rather than just On/Off as full power is both loud and overkill for cooling. log (72. So, I upgraded my ender 3 pro mainboard to a SKR mini v1. 2 KB) Describe your issue: I want to test the part cooling fan on two testers that I’ve designed on my own (working fine, but I want to see the different parts working). Before you can start wiring the part cooling fan, you need to locate it on your May 19, 2019 · In this one we do some tests on the Ender 3 with part cooling. (Always on 12v), There are two white connectors mid board on the edge (one further into the board than on the edge) and those are for the part cooling fan and (stupidly) the motherboard fan. Thank you so much!!! If you are good with a multimeter you may be able to find the disconnect in either the GND or 24V for the fans. 3. But I have yet to finish a good print. So the hot end heat sink fan port is the terminal block right next to the 24v in. Been in regular use with no real problems and no modifications. The only real problem that I am having is the part cooling fan does not run. If I connect the hotend fan to the part cooling fan connector on the breakout board, the fan works fine and of course the part cooling fan does not work when plugged into the hotend fan connector either. I’ve searched for so long, learning and looking through marlin firmware using VSCode. Good excuse to learn Marlin better I suppose. The fan could be overloaded by a voltage peak, or it has simply exhausted its useful life. Now, when I switch it on, the front fan (hot end) starts running as normal, the side fan (parts fan) starts running and stops after a second or so. If your front hotend fan was not spinning, it can cause heat creep, but you said it's fine. Nov 28, 2022 · Basic Information: Printer Model: Rolly Your Own MCU / Printerboard: MKS Robin V3 & Mellow klippy. part cooling fan does not come on. the hot-end cooling fan is on by default when the machine is on so it should be a dead giveaway. 1 Check whether something is stuck in the fan, clean the fan. I wired the new fan up to the print head and was surprised when it did not work. Both the mainboard fan and the part cooling fan aren't working. 3 Check if the fan is broken, No wire interference. Here, enthusiasts, hobbyists, and professionals gather to discuss, troubleshoot, and explore everything related to 3D printing with the Ender 3. I try manually setting the fan using M106 S255 from the (Mainsail) Console as well as using the fan slider Had my Ender 3 for 6 months. 8 V when the fan is set to 100 %. 2, and now my part cooling fan is not working. Steps to Reproduce. 2 main board and I just recently updated it’s firmware with Marlin 2. Turn Off the Ender 3. I noticed the mb fan and the PART COOLING FAN are connected in a circuit. Bug Timeline. I've replaced the part cooling fan and updated the mainboard to a V1. Calibrate the slicer cooling settings and correct the G-Code M106 command. I got my shiny new Ender 3 V2 yesterday and already did a fair bit of tweaking. I have the SKR Mini E3 V3 on an Ender 5 Pro. Could be a broken trace or just bad solder joints on the connectors. But the part cooling fan wan't to turn on. Expected behavior. I have an Ender 3 V2 with a 4. I already test the fan and it works, but as soon as I connect it to the FAN0 port, it wont spin. One thing I noticed today is that the part cooling fan on the right side of my hotend is not turning at all. K-Fan marked connector on the cable is fan2 on the Sprite, the part cooling fan Recently my part cooling fans will not turn off. Version of Marlin Firmware. To troubleshoot you can swap the wireing between the part cooling blower and the hotend cooling fan.

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Ender 3 part cooling fan not working. The original fan is a 4010 brower fan rated at 24V, 0.