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Magic smoke from endstops - Please help!

Posted by bkrenderman 
Magic smoke from endstops - Please help!
March 14, 2017 01:26PM
I have built my prusa i3 clone and everything was working fine. until I saw some problem on Y axis endstops. I have mounted the endstops by inserting the screw in one of hole in the endstop. when I clicked the home button the axis came toward the endstops and sorted the endstop pin with the screw to the ground. and suddenly a lot of smoke came out of the endstop. I immediately unplug the power. but when I tried to connect the printer through USB it stopped recognizing it. what can be the issue? how can I trouble shoot it?
Re: Magic smoke from endstops - Please help!
March 14, 2017 01:39PM
When you short +5v to gnd you nearly always destroy the voltage regulator on your controller.
Re: Magic smoke from endstops - Please help!
March 15, 2017 11:31AM
Just tried to dissesemle and reassembled all electronics and luckily the printer is working now.
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