D9?by 3disforme - Prusa i3 and variants
mine, the cooling fan is wired to the center 2 screw terminals@ blue connector at bottom of the board.by 3disforme - Prusa i3 and variants
I just googled "reprap Guru" and found a number on their website. Ended up just using email to get it sorted out though because their techs were busy when I called. Yes, I recommend double checking your wiring. Use the PDF file, not the video. Video is for an older version and there are slight differences.by 3disforme - Prusa i3 and variants
On the left is added cooling fan.by 3disforme - Prusa i3 and variants
The extruder fan should be always on (not controllable). The fan control in Repetier and on LCD is for a cooling fan which can be added later. The extruder fan is supposed to run %100 at all times to keep the filament from melting inside your extruder. I've seen a lot of people in forums say that they have disabled the extruder fan without issues but thought I'd mention it. So no resistance rby 3disforme - Prusa i3 and variants
When I got my reprap Guru a few months ago, the bed was actually missing the thermistor completely (so I got no reading, just like you). No big deal, I just printed without heating the bed for a few days. I emailed the manufacturer and they promptly sent a replacement part, no questions asked.by 3disforme - Prusa i3 and variants
I remember I had the same issue with the display. I forget exactly where, but there's an adjustment for the brightness/contrast. 90% sure you just need to adjust it until everything becomes legible. :-)by 3disforme - Prusa i3 and variants