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Print fan not staying on

soccerox817

Print fan not staying on
December 17, 2015 02:53PM

Registered: 8 years ago
Posts: 19

I built a prusa i3 rework and I connected my print fan to D9 and I am able to control it in Pronterface and it generally works most of the time, but sometimes during a long print it just shuts off. Anyone know what is causing this?

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the_digital_dentist

Re: Print fan not staying on
December 17, 2015 08:16PM

Registered: 11 years ago
Posts: 5,780

Slicer settings?

Ultra MegaMax Dominator 3D printer: [drmrehorst.blogspot.com]

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soccerox817

Re: Print fan not staying on
December 17, 2015 08:34PM

Registered: 8 years ago
Posts: 19

what do you mean by that? I just used the default settings except I changed the layer height to .15, infill to 50%, and i added brim

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cat.farmer

Re: Print fan not staying on
December 19, 2015 08:28AM

Registered: 10 years ago
Posts: 466

how do you turn the fan back on? My first thought is wiring.
You could look through your Gcode for a M107 command or an M106 Sxxx command, If the Sxxx is to low it may be to slow to keep the fans going.

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soccerox817

Re: Print fan not staying on
December 19, 2015 09:55AM

Registered: 8 years ago
Posts: 19

I'll give it quite shot. What is good s value?

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cat.farmer

Re: Print fan not staying on
December 19, 2015 10:00AM

Registered: 10 years ago
Posts: 466

s0 = off
s255 = 100%
anything below s75 may cause the fans to stop.

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soccerox817

Re: Print fan not staying on
December 19, 2015 10:26AM

Registered: 8 years ago
Posts: 19

Thans! I'll try that

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