Can 5A terminals have 16.5A along with 12V? (1 reply)
I have a PSU and it gives off 12V (tested it to see if it does) and it says it gives out 16.5A. Would this be safe to use only in the 5A terminal without using a heated bed?
View ArticleExtruder reading 190 degrees and not connected (1 reply)
I have posted this on another (general) forum, but I feel I should give it a try here. I melted my extruder by plugging it in to the fan wire. Of course there was no regulation on the temp and the...
View ArticleRamps 1.4 power out diode protected? (2 replies)
Hi everyone, I can't seem to find a clear answer anywhere if I missed it I apologize and please point me to it. I am planning on installing a bank of switches that will allow me to turn things...
View ArticleNewbie Arduino/RAMPS Questions (5 replies)
Hi all, this is my first post here and I'm in the process of building my first printer - a Rostock Delta. I'm not too great with electronics. I'm learning slowly, and I have a couple of helping hands...
View ArticleAutoleveling and cooling fans (no replies)
hello is it possible too run autoleveling and cooling fans why the place i hve too put the fan controler and the autolevelin cervo is the same ist ther an alternat wiring possibility too get both...
View ArticlePolarity on Opto's (3 replies)
Today I received my new opto's, to replace the Orca 4-wire opto's (Gen6) for 3-wire opto's to the Ramps. Mine are V19 1028 / TCST 2103 with a 3-wire flat cable which has 3 separate one-pin connector...
View ArticleStrange problem (1 reply)
I have just built another i3 and have used RAMPS and a mega board. Everything is working fine, except a problem with the heated bed.. The bed itself is not the problem, the problem is either in the...
View ArticleRAMPS + ATX best practice (2 replies)
I'm playing with RAMPS and ATX and i notice a small cosmetic oddity The situation is as follows: D1 is removed from ramps. I have a led to indicate the Standby state. But when connected as described...
View ArticleRamps powered with only 1 PSU? (3 replies)
Hi, I just switched from Sanguinololu to a RAMPS and everything appears to work great. The only issue is my heated bed output. I have a custom heatpad which draws more amps than the normal MK2 heated...
View ArticleStepper motors not turning on ramps 1.4! (1 reply)
Hi, i am using ramps 1.4 with A4988 drivers. I am not using any jumpers for micro-stepping. I am also building the Kossel mini printer. When i command the g28 command on PrinterFace to my printer, the...
View ArticleRamps and 4.8V stepper motor (2 replies)
Hi! I intend to use my Ramps 1.4 board with G3D A4988 Pololu drivers to drive a 17PM--K301V stepper motors. My doubt is: can I use this mottors once they are rated 4.8V 0.8A with those drivers and...
View ArticleLCD unit on ramps... how does it work ? (no replies)
I got my new Arduino / Ramps together with an LCD unit with card slot. I wander, what should I see on that LCD and what must I do ? Will it show anything while just uploading firmware ? Because that...
View ArticleChange from Sanguino to RAMPS: Motors going way too far (3 replies)
Hi guys, this is my very first post here and I really hope you'll be able to help me. I had my Prusa Mendel up and running on a Sanguinololu with Sprinter firmware for quite some time now without any...
View ArticleArduino damaged ? (1 reply)
Run supply 400W. Arduino on all the LEDs. LCD display lights up and filled squares. After not long work power supply is turned off. Maybe something went wrong, how to determine that? From the USB...
View ArticleCom/USB Connection to Ramps stopped working (no replies)
Hello Guys I have a Prusa with Ramp's 1.4, loaded with latest marlin firmware and using Cura , sometimes pronterface to run print jobs. I have been printing with no connection problems for months now....
View Articlecooling fan strangely work (1 reply)
Hi, I've got the same problem with the printer - the fan connected to D9 doesn't work. The LED is showing power on D9. The power lead is OK - multimeter shows 12 volts. But when I turn on the fan, the...
View ArticleUnable to change Z offset from controller (no replies)
Hi there ,,, I'm using Gadgets3D LCD controller connected to RAMPS1.4 to control my smartrap printer, I can change my Z offset from marlin firmware (using arduino IDE) but can not change it from...
View ArticleRAMPS 1.4 Extruder Issues (1 reply)
Hello, My printer runs a RAMPS 1.4 control board with Marlin firmware. All three (X, Y, Z) stepper motors are working fine, but the printer will not extrude without plastic (just testing the motor)....
View ArticleZmin won't toggle - help! (1 reply)
I am trying to troubleshoot a friend's system - a kossel mini with RAMPS 1.4 and Marlin. He wants to use a touch probe microswitch into the ZMIN line on the ramps. If I jumper ZMIN to +5 (verified...
View ArticleRamps 1.4 pinout (no replies)
Hi all while my 3d printer is out of service, i'm playing around with stepper motors. when i use the test code, everything works fine, all the motors turn correctly, but when i try to modify other...
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