E3D v6 HotEnd and fan Howto connect Hi I just had delivery of E3D v6 HotEnd Full Kit - 3.0mm Direct Genuine E3D Before I just had the very basic hot end delivered with my Prusa i3 kit This one has a fan for cooling the extruder. Is it really needed for printing ABS at temp 235 degree ? Manual say it should connect to power D9 (same as cooling fan power for printarea) Seems strange to me. If I need cooling of heat sink fan should be on anytime I have power to hot end. Is best connect to use same as hot end power (D10 power on mine) ? Also general, must all alu heatsink extruders have cooling fan. Thing is before this new one I had another alu with heat sink that was not delivered with cooling fan. When I tried to use that one it got clogged up like after some 4-5 meter used filament. Maybe the reason was I had no cooling ... ?? IMG_1735.JPG mod_embed_images_loadimage('b2db6df327b0fb3eb339abc7ffc77261', '/forum/thumbcache/683/2d2/48e/fa0/b58/6ce/b6e/cfb/d4f/c89/81_800x400.png', 'http://www.sidhabo.org/div2/IMG_1735.JPG', 'https://reprap.org/forum/addon.php?406,module=embed_images,check_scaling=1,url=http%3A%2F%2Fwww.sidhabo.org%2Fdiv2%2FIMG_1735.JPG', '', 714985, 800, 400, 'Loading image ...', false); Thanks BR Bosse https://reprap.org/forum/read.php?406,714985,714985#msg-714985 Wed, 22 Jul 2026 00:15:26 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?406,714985,715215#msg-715215 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,715215#msg-715215 Seem like more safe. I guess I was not thinking through when I decided to connect to extruder heat power.
Since extruder heat go off/on during printing ... but cooling you would like to have always on]]> sidhabo Prusa i3 and variants Wed, 19 Oct 2016 07:26:52 -0400 https://reprap.org/forum/read.php?406,714985,715160#msg-715160 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,715160#msg-715160
You need cooling on the cold end because heat from the nozzle will creep up.
Without cooling, you will eventually melt your filament inside the cold end and jam it.

This fan is always ON when printer is ON. If you have a 12V fan, you could also just wire it directly to the 12V PSU. (Same way as Electronics fan is)]]> Veesta Prusa i3 and variants Wed, 19 Oct 2016 05:01:32 -0400 https://reprap.org/forum/read.php?406,714985,715035#msg-715035 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,715035#msg-715035 sidhabo Prusa i3 and variants Tue, 18 Oct 2016 15:51:44 -0400 https://reprap.org/forum/read.php?406,714985,715011#msg-715011 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,715011#msg-715011 It's working for a starter anyway
I hope this will work also when I've been printing for longer time]]> sidhabo Prusa i3 and variants Tue, 18 Oct 2016 14:29:11 -0400 https://reprap.org/forum/read.php?406,714985,714994#msg-714994 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,714994#msg-714994 sidhabo Prusa i3 and variants Tue, 18 Oct 2016 12:27:21 -0400 https://reprap.org/forum/read.php?406,714985,714992#msg-714992 Re: E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,714992#msg-714992

Extruder fan is ALWAYS ON
Electronics fan is ALWAYS ON

Print Fan is controlled by Slicer settings.
]]> Veesta Prusa i3 and variants Tue, 18 Oct 2016 12:19:33 -0400 https://reprap.org/forum/read.php?406,714985,714985#msg-714985 E3D v6 HotEnd and fan Howto connect https://reprap.org/forum/read.php?406,714985,714985#msg-714985 I just had delivery of
E3D v6 HotEnd Full Kit - 3.0mm Direct Genuine E3D
Before I just had the very basic hot end delivered with my Prusa i3 kit
This one has a fan for cooling the extruder. Is it really needed for printing ABS at temp 235 degree ?
Manual say it should connect to power D9 (same as cooling fan power for printarea)
Seems strange to me. If I need cooling of heat sink fan should be on anytime I have power to hot end.
Is best connect to use same as hot end power (D10 power on mine) ?

Also general, must all alu heatsink extruders have cooling fan. Thing is before this new one I had another alu with heat sink that was not delivered with cooling fan.
When I tried to use that one it got clogged up like after some 4-5 meter used filament. Maybe the reason was I had no cooling ... ??



Thanks
BR Bosse
]]> sidhabo Prusa i3 and variants Tue, 18 Oct 2016 12:05:20 -0400