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Martin Bahmann
Mar 06

Hot End cooling fan is not running

in Proforge 3 Assembly

I heated the nozzle to 60°C but the Hotend cooling fan isn’t spinning at any time (nozzle temp was over 90°C). Connected to an other 24V pin the fan is running. What can i do?


Thank You

2 comments
0
Frederik Weis
Mar 06

Check if the connection is broken. On these fans, there is a good chance that the solder points on the board of the fan came lose. Had this in the past a few times when fans got too much stress

Martin Bahmann
Mar 06

Thank you for your answer. I found my fault. I simply get to fast from step to step and so I connected the hotend fan with the h1 thermistor pins (other side of the board)^^

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2 comments
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