Motors not moving only humming.

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pumacat311
Posts: 2
Joined: Mon Mar 30, 2015 6:42 am

Motors not moving only humming.

Post by pumacat311 » Mon Mar 30, 2015 6:49 am

I cannot get axis to move. Y axis was moving for a bit so I tried switching y and x axis stepper drivers and then the x axis would move but not the y. So I removed and reconnected all stepper drivers to make sure they were all seated properly and now none of them move except a little bit MAYBE. Bit they all humm. Please help. Been going at it for 3 days now. Thank you

zhangxueyou
Posts: 1405
Joined: Fri Feb 06, 2015 1:33 pm

Re: Motors not moving only humming.

Post by zhangxueyou » Wed Apr 22, 2015 5:28 pm

Do you plug all the jumper caps(12 in all) under stepper drivers?

XYZM
Posts: 46
Joined: Tue Apr 28, 2015 12:36 am

Re: Motors not moving only humming.

Post by XYZM » Wed May 20, 2015 6:58 am

I have the same problem, what do you mean by jumper cap. The build instruction says nothing has to be done to the motor driver.

zhangxueyou
Posts: 1405
Joined: Fri Feb 06, 2015 1:33 pm

Re: Motors not moving only humming.

Post by zhangxueyou » Wed May 20, 2015 9:52 am

On the left side is motor driver(A4988), right side is jumper cap. It should be plugged under motor driver.
A4988-jumper cap.png
A4988-jumper cap.png (135.05 KiB) Viewed 5352 times

XYZM
Posts: 46
Joined: Tue Apr 28, 2015 12:36 am

Re: Motors not moving only humming.

Post by XYZM » Wed May 20, 2015 10:47 pm

I have the DRV driver.

zhangxueyou
Posts: 1405
Joined: Fri Feb 06, 2015 1:33 pm

Re: Motors not moving only humming.

Post by zhangxueyou » Thu May 21, 2015 9:02 am

XYZM wrote:I have the DRV driver.
OK, plug jumper caps under DRV.

Darshon
Posts: 7
Joined: Sat Jul 04, 2015 7:15 am

Re: Motors not moving only humming.

Post by Darshon » Sat Jul 04, 2015 2:07 pm

My x axis motor is humming and moves a little. then after a few seconds it moves a little faster but a short distance then stops before hitting the end stop. the other axis y and z are fine. I have tried making sure all the end caps have a good connection. It is still barely moving.

Sherry
Posts: 362
Joined: Wed Jul 01, 2015 12:52 pm

Re: Motors not moving only humming.

Post by Sherry » Sat Jul 04, 2015 4:18 pm

dear darshon
Please swap the driver board(A4988) with y axis.if y-axis doesn't work,the driver board is bad.

Darshon
Posts: 7
Joined: Sat Jul 04, 2015 7:15 am

Re: Motors not moving only humming.

Post by Darshon » Sat Jul 04, 2015 11:58 pm

Yeah, found the above posts lastnight and a driver board is bad. The printer is brand new. Bought off eBay. It sucks that it had expedited shipping but now have to wait for epacket shipping for the replacement driver to actually be able to print. The instruction had several mistakes too! Including telling me to hook up the power supply wrong! It blew the circuit breaker. Thankfully I found the picture on your parts page with the correct wiring on the power supply.

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