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controll board not working

http://forum.geeetech.com/viewtopic.php?t=18890

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controll board not working

Posted: Thu Feb 09, 2017 11:34 pm
by palumbogio
Hi

I have a prusa i3 pro B printer the control board is not working the power led is on I tested has 12v for both output the lcd display is blank and the printer is not showing up in my pc
How I test the board to see if it is defective
Please can someone help me I'm new to 3d printing
Thanks in advance for your help

Re: controll board not working

Posted: Fri Feb 10, 2017 8:52 am
by bang
Test your board with the multimeter:
viewtopic.php?f=18&t=18061

Re: controll board not working

Posted: Sat Feb 11, 2017 6:31 am
by palumbogio
power supply and both side of fuse are 12v what next

Re: controll board not working

Posted: Sat Feb 11, 2017 4:31 pm
by bang
Did you test all the voltages in the attach link?Were all of them normal?

And concerning LCD,did you check this post?
viewtopic.php?f=23&t=17040
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