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kevinlo22

Ultimaker 2+ Extended Fan Problem

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Posted · Ultimaker 2+ Extended Fan Problem

Hi, I'm using 3D Printer Ultimaker 2+ Extended for about one year. Recently, I find that the two sided small fans from nozzle does not spin during printing. I tried roll back to the older firmware version. But it still not spin at all.

I believed there is a hardware problem. Something wrong with the fan driver on hardware. May I know which part of hardware controls these fans? You may give me the part number, so that I can trace electronic signals and fix. I am a electronic engineer.

Thanks.

Best Regards,

Kevin LO

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Posted · Ultimaker 2+ Extended Fan Problem

Okay, I have addressed the problem. The fans are driving by 24V PWM signals named FAN PWM, in which is similar to LED PWM. The PWM signal works fine. However, one fan is dead, since two fans are connected in series, therefore both fans are not spin.

I'll replace the bad fan with a new one. These fans are rated at 12Vdc, 30mm x 30mm x 10mm.

Thanks.

Best Regards,

Kevin LO

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Posted · Ultimaker 2+ Extended Fan Problem

Okay, I have addressed the problem. The fans are driving by 24V PWM signals named FAN PWM, in which is similar to LED PWM. The PWM signal works fine. However, one fan is dead, since two fans are connected in series, therefore both fans are not spin.

I'll replace the bad fan with a new one. These fans are rated at 12Vdc, 30mm x 30mm x 10mm.

Thanks.

Best Regards,

Kevin LO

Glad you were able to resolve it!

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