Smoking mosfet on heated bed (4 replies)
I plugged in my printer for the first time and after about twenty seconds the mosfet on the heated board begun smoking. The signal light was on while this was happening (the one on the heated board)...
View ArticleRunning Ramps 1.2 without an extruder, heated bed, or endstops (1 reply)
I am an idiot. I have ramps 1.2 not 1.3. Ok so I still have a few questions. I know that I did not have the voltage limiting diode so I may not have burned out my board connecting it to 24 volts. I...
View ArticleNeed Testers - upgrade for RAMPS v1.4 (no replies)
Hi Guys, I need help testing new prototype board. It's a 32bit upgrade for RAMPS. I am looking for someone with the following. - Good knowledge of configuring 3D printers/firmware and basic...
View ArticleRamps 1.4 with Stepper controllers (1 reply)
Hi guys! I'm a mechanical engineer (Robotics specialist) and as a part of my PhD thesis I need to design and make a SCARA robot platform. The mechanics is almost complete, I'll start to 3D print a...
View ArticleRAMPS fried Mega, was I doing something wrong? (5 replies)
Hi! I'm building my first 3d-printer and tried to connect RAMPS + Sainsmart Mega 2560 to ATX power supply. Almost immediately the magic smoke appeared, presumably from the Mega board. I had nothing...
View ArticleUsing an electromagnet with RAMPS (6 replies)
What is the best way to connect a 12V electromagnet to RAMPS? Ideally without using D8, D9 and D10. Is it a good idea to use the 12V AUX pins (here marked as extruder fan)?
View ArticleGeneric boards??? (1 reply)
I've got a Folgertech Prusa v3 with a RAMPS board from "www.bigtree-tech.com" certainly a Chinese manufacturer. Well, I'm not sure if it died, or the Mega board died, but when I plugged it in this AM...
View ArticleFaulty robotale board (1 reply)
I picked up a RAMPS bundle off dx.com a few months back, and finally got around to using it yesterday. I have noticed that it is impossible to change the micro stepping on the board, since there is...
View ArticleWhere to test RAMP for component short from endstop (3 replies)
None of my three mechanical endstops are registering when pressed in Repetier, though the motors are running fine. I know I probably shorted the board by incorrectly wiring the endstops for a brief...
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Power Supply not working, please help ! :( (2 replies)
Hi guys, This is my first build for a CNC Laser engraver, and I'm using ramps 1.4 kit for this with a PSU ATX Power Supply. I've converted the PSU as here: Convert PSU and after I finished, I decided...
View ArticleThermistor Error Ramps 1.4 (MINTEMP) (no replies)
Hi, I'm new here and building my first 3D printer and I have a number of problems. For one I am not getting any readings from the thermistors. I measured the resistance to make sure they all work and...
View ArticleRAMPS 1.4 problem with stepper motors only Y axis works (7 replies)
Hello Reprapers, I have a very strange issue. Yesterday I assembled my Prusa i3 and wanted to test if everything works. After uploading firmware and connecting my PC to printer with prontoface...
View ArticleStepper motors move too far,too fast (3 replies)
Hello! I am trying to get my RAMPS 1.4 setup on a Printrbot Simple Metal. I am 90% there, the only problem I am having is with the motors. From reading other posts, that seems to be pretty common, but...
View ArticlePrinter Stops Randomly(RAMPS1.4) (1 reply)
Recently I have been designing a robot, just for fun, and I've been having some issues when printing my models. Every now and again I print out the model to see the changes I've made but I haven't...
View ArticleIs my RAMPS 1.4 dead? (1 reply)
Over the summer i put together an OB1.4 printer, the design came from Thingiverse and can be found here (http://www.thingiverse.com/thing:41967), but have spent the last couple of months trying to...
View ArticleRAMPS 1.4 , hotend is powered all time , motors dont turn (2 replies)
hello , as I wrote in topic , 1. hotend is powered all time , even when disconected from ararduino , end everything disattached 2. motors dont turn , even while pots are set on max , they just make...
View ArticleSensor Upgrade for Prusa I3 Arduino Mega2560/RAMPS 1.3 (1 reply)
Hey all, I am using Mega2560/RAMPS 1.3 on my Prusa I3 and I wanted to switch over from a endstop switch to this so I can use auto leveling. The sensor has three wires: Blue, Black, Brown. I spliced...
View ArticleRAMPS Beginners Question (3 replies)
Hey everyone. I'm new around here, and building my first Delta printer, so forgive me if this isn't in the best location. Most of the hardware and electronics appear to be in place and hooked up...
View ArticleRAMPS shuts down laptop. (no replies)
Hi, I am building my first 3D Printer and am having issues with my electronics. So I received a replacement RAMPS and Mega today and installed them into the printer. Unfortunately I encountered the...
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strange 2004 LCD Intelligent Smart Controller reaction.. (1 reply)
I've got me myself a little problem with my RAMPS 1.4 runinng Marlin-1.0.2-1 and 2004 LCD Intelligent Smart Controller (RepRapDiscount Smartcontroller, this one ebay) can get it to display temp etc....
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