Hi Everyone, I have recently wired up my RepStrap Prusa i3 -ish printer, and am using a 350 Watt Thermaltake ATX 12V Power Supply. I have shorted the recommended pins on the 24 Pin harness (Green to Ground) and have the motors and endstops working perfectly. However, when I try to turn on the hotend it instantly kills my power supply (fan stops spinning, no power to RAMPS). I have looked arouby pstock175 - General
I guess I am mostly trying to determine if it is necessary to purchase new ramps boardby pstock175 - General
Thank you Steve, your Instructable is very helpful. I am concerned that I have possibly blown something on my RAMPS board. I have made some progress with endstops, but the X and Z axes still fail to move. I have tested all the drivers by placing them in the Y space on the RAMPS board, and all drivers are working. So it is possible that the X space on the RAMPS board is blown, even though theby pstock175 - General
Some more info here. I wanted to test if I had fried my stepper drivers, so I reset everything and tried driving just the Y axis again. Same as before, positive motion but no negative. So the driver works. I then switch the wires so I am driving the X motor through the Y driver, the motor moves positively so I know the driver, X an Y motors work. I then move the driver to the X space and attemptby pstock175 - General
Thanks for the responses. I am going to post my configuration.h below here. To answer the questions above: 1. I did not home the motors first 2. I have not set up microstepping but will put those jumpers on nowby pstock175 - General
Hello All, new and increasingly frustrated RepRapper here, So I have recently built a printer with parts I have sourced myself, that roughly resembles the i3 rework. When I say that, I mean that the rods are slightly different lengths, and I did not have access to a printer for most parts, so I made due by machining them out of ABS. So, my problems mainly lie in electronics. Here is my setuby pstock175 - General