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mechaneil

DID MY EXTRUDER STEPPER DRIVER and STEPPER MOTOR DIED?

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Hello UM Gurus,

I think my extruder stepper driver and motor died. The extruder motor is not moving whenever I'm doing a print. Here's a bit of explanation of what happened.

1. Last time the extruder motor worked, the UMO would print but about 5-7 minutes into the print, the

filament would stop extruding. The motor will not spin/move anymore.

2. Flipped the UMO over and looked at the extruder stepper driver on the board and found that it's missing

the heatsink. The other stepper driver has the heatsinks on them.

3. Took the extruder stepper driver from my 2nd UMO, and installed it on the the UMO that has a problem,

but carelessly (stupidly) installed in the wrong way. It should have been installed 180 degree in relation

to the other stepper driver on the board. Can someone please confirm this.

4. Tested if the stepper motor is still good by plugging it on the z-axis and moving it forward in 1mm

increments using the Ulticontroller. It still moves forward but not backward/reverse.

Can anyone please confirm if both died, and where can I get a replacement. Would the ones on ebay or amazon work. Thank you for your help.

https://www.amazon.com/BIQU-Compatible-StepStick-Stepper-Controller/dp/B01FFFYVV8/ref=sr_1_3?ie=UTF8&qid=1504141714&sr=8-3&keywords=a4988

http://www.ebay.com/itm/5PCS-3D-Printer-A4988-Stepper-Motor-Driver-Heatsink-With-Stickers-For-Reprap-US-/142102018890?hash=item2115f0bb4a:g:L8cAAOSwOdpXxU3W

http://www.ebay.com/itm/Nema17-stepper-motor-0-9Dgree-1-7A-4leads-for-3D-Printer-Reprap-Ultimaker-DIY-/201024497703?epid=1231650979&hash=item2ecdfe6827:g:nvEAAMXQlgtS32Vf

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