Electronics / Hotend Fan not running after dual upgrade

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crazyg0od33
Posts: 64
Joined: Sun Jul 31, 2016 8:26 pm

Electronics / Hotend Fan not running after dual upgrade

Post by crazyg0od33 » Sun Aug 07, 2016 4:07 am

Hi All,

Just got through the dual extruder upgrade on my Rev.E machine, and now the board fan and extruder fan (NOT the bed fan) are running for about two seconds after power-on, and then they shut right off.

Not sure what to do?

Thanks

edit- I may be stupid again - does the filament fan run all the time or only when the extruders are on?

thunderbt3
Posts: 104
Joined: Wed Apr 09, 2014 11:36 pm

Re: Electronics / Hotend Fan not running after dual upgrade

Post by thunderbt3 » Mon Aug 08, 2016 1:36 pm

Try letting the extruder warm up and see if the fans kick on. The fans should kick on when the extruder reaches 50 deg C.

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Jules
Posts: 3144
Joined: Wed Jan 21, 2015 1:36 am

Re: Electronics / Hotend Fan not running after dual upgrade

Post by Jules » Mon Aug 08, 2016 2:15 pm

Yes, that is what is coded into the firmware. They blink on for a second when the connection is made, then turn off until the nozzle heats up.

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Matt_Sharkey
Posts: 347
Joined: Mon Oct 20, 2014 3:10 pm

Re: Electronics / Hotend Fan not running after dual upgrade

Post by Matt_Sharkey » Sun Oct 01, 2017 5:06 pm

Im digging this one up from the grave:

Can someone walk me through enabling this feature? I am currently running M2Marlin-1-14-2016-OriginalZMotor

I have the original 24v M2 with a V4 hot end

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