First build problems Hey everyone, I've just completed the build of my prusa i3 with parts i've collected on aliexpress and ebay. So not really from 1 seller. I've uploaded the Marlin firmware, changed some parameters like motherboard 33, thermistor values. So far i am able to connect my printer with pronterface, and to move the axis a little. One problem I have is the smart controller display is only showing white squares. Another concern is i've used a 20 kohm thermistor for the heatbed, and only a 10 kohm is selectable in the configuration.h. This gives me a temperature of 7°c where it should be around 23°C. The thermistor on the hotend is giving the correct value. Allso the fan on the hotend is connected to D9 on RAMPS, but doesn't start when i'm heating the hotend. I'm still waiting for my glass plate and springs to level my bed to really start printing. Any ideas to solve this? https://reprap.org/forum/read.php?406,573808,573808#msg-573808 Tue, 14 Jul 2026 20:46:27 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?406,573808,576975#msg-576975 Re: First build problems https://reprap.org/forum/read.php?406,573808,576975#msg-576975 reprap.org]
It's actually really simple, if you have a RAMPS and 1/16 steps drivers for your steppers, you need to install all the jumpers (3 under each driver).]]> Nicken83 Prusa i3 and variants Thu, 29 Oct 2015 08:40:33 -0400 https://reprap.org/forum/read.php?406,573808,576796#msg-576796 Re: First build problems https://reprap.org/forum/read.php?406,573808,576796#msg-576796 Giantkiller Prusa i3 and variants Wed, 28 Oct 2015 23:32:09 -0400 https://reprap.org/forum/read.php?406,573808,575689#msg-575689 Re: First build problems https://reprap.org/forum/read.php?406,573808,575689#msg-575689 Nicken83 Prusa i3 and variants Mon, 26 Oct 2015 15:25:25 -0400 https://reprap.org/forum/read.php?406,573808,575688#msg-575688 Re: First build problems https://reprap.org/forum/read.php?406,573808,575688#msg-575688 AudaciousTuddle Prusa i3 and variants Mon, 26 Oct 2015 15:23:32 -0400 https://reprap.org/forum/read.php?406,573808,574596#msg-574596 Re: First build problems https://reprap.org/forum/read.php?406,573808,574596#msg-574596 [www.youtube.com]
[www.youtube.com]
I've tried messing around with the potentiometer on the stepper driver, no changes...
I've tried changing the axis steps per unit, but that has probably nothing to do with this issue.]]> Nicken83 Prusa i3 and variants Fri, 23 Oct 2015 18:37:58 -0400 https://reprap.org/forum/read.php?406,573808,574370#msg-574370 Re: First build problems https://reprap.org/forum/read.php?406,573808,574370#msg-574370 Nicken83 Prusa i3 and variants Fri, 23 Oct 2015 06:12:36 -0400 https://reprap.org/forum/read.php?406,573808,574290#msg-574290 Re: First build problems https://reprap.org/forum/read.php?406,573808,574290#msg-574290 After that i've put the extruder back to it own pins (E0) but switched the stepstick with the one from the x axis (what worked on the other pins), en this gives me the same problem.
Could it be that only the extruder settings require a higher current? I'm a bit scared changing the current on the stepstick to damage it. No more spare ones...]]> Nicken83 Prusa i3 and variants Fri, 23 Oct 2015 02:18:34 -0400 https://reprap.org/forum/read.php?406,573808,574223#msg-574223 Re: First build problems https://reprap.org/forum/read.php?406,573808,574223#msg-574223 sarf2k4 Prusa i3 and variants Thu, 22 Oct 2015 20:03:20 -0400 https://reprap.org/forum/read.php?406,573808,574092#msg-574092 Re: First build problems https://reprap.org/forum/read.php?406,573808,574092#msg-574092 https://youtu.be/sCFc1rp-3ak]]> Nicken83 Prusa i3 and variants Thu, 22 Oct 2015 13:32:09 -0400 https://reprap.org/forum/read.php?406,573808,574027#msg-574027 Re: First build problems https://reprap.org/forum/read.php?406,573808,574027#msg-574027 I've tried moving the stepper to the pins of the x axis, where it works perfectly,
I've also switched the stepper driver with another one, which stays the same.
This way I figured out it is not a electrical or mechanical problem.
It has to be something in the configuration, but I can't figure out what exactly.
Any ideas?]]> Nicken83 Prusa i3 and variants Thu, 22 Oct 2015 12:03:24 -0400 https://reprap.org/forum/read.php?406,573808,574010#msg-574010 Re: First build problems https://reprap.org/forum/read.php?406,573808,574010#msg-574010 sarf2k4 Prusa i3 and variants Thu, 22 Oct 2015 11:23:59 -0400 https://reprap.org/forum/read.php?406,573808,573962#msg-573962 Re: First build problems https://reprap.org/forum/read.php?406,573808,573962#msg-573962 The display problem is solved, had to uncomment my type of display in marlin configuration!
I am ready now for leveling of bed, and testprint!]]> Nicken83 Prusa i3 and variants Thu, 22 Oct 2015 09:46:55 -0400 https://reprap.org/forum/read.php?406,573808,573949#msg-573949 Re: First build problems https://reprap.org/forum/read.php?406,573808,573949#msg-573949 Putzer Prusa i3 and variants Thu, 22 Oct 2015 09:38:42 -0400 https://reprap.org/forum/read.php?406,573808,573850#msg-573850 Re: First build problems https://reprap.org/forum/read.php?406,573808,573850#msg-573850 I prefer Marlin firmware.

About specs:

Frame i've used: [www.benl.ebay.be]
Extruder: [www.benl.ebay.be]
Electronics: [www.aliexpress.com]
Power supply: [www.aliexpress.com]
Steppers: astrosyn 17pm-k502-g3st

Pics from my build:


]]> Nicken83 Prusa i3 and variants Thu, 22 Oct 2015 06:33:47 -0400 https://reprap.org/forum/read.php?406,573808,573832#msg-573832 Re: First build problems https://reprap.org/forum/read.php?406,573808,573832#msg-573832 sarf2k4 Prusa i3 and variants Thu, 22 Oct 2015 06:14:51 -0400 https://reprap.org/forum/read.php?406,573808,573831#msg-573831 Re: First build problems https://reprap.org/forum/read.php?406,573808,573831#msg-573831 paultnl Prusa i3 and variants Thu, 22 Oct 2015 06:14:18 -0400 https://reprap.org/forum/read.php?406,573808,573808#msg-573808 First build problems https://reprap.org/forum/read.php?406,573808,573808#msg-573808
I've just completed the build of my prusa i3 with parts i've collected on aliexpress and ebay. So not really from 1 seller.
I've uploaded the Marlin firmware, changed some parameters like motherboard 33, thermistor values.
So far i am able to connect my printer with pronterface, and to move the axis a little.
One problem I have is the smart controller display is only showing white squares.
Another concern is i've used a 20 kohm thermistor for the heatbed, and only a 10 kohm is selectable in the configuration.h. This gives me a temperature of 7°c where it should be around 23°C. The thermistor on the hotend is giving the correct value.
Allso the fan on the hotend is connected to D9 on RAMPS, but doesn't start when i'm heating the hotend.

I'm still waiting for my glass plate and springs to level my bed to really start printing.

Any ideas to solve this?]]> Nicken83 Prusa i3 and variants Thu, 22 Oct 2015 05:21:34 -0400