Quote3disforme 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. Soby ManShear - Prusa i3 and variants
Quote3disforme 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. Thanks for the quick reply, 3disforme, however, we are not able to heat either the hotby ManShear - Prusa i3 and variants
Just finished building my REPRAPGURU Prusa I3 V2 printer over the weekend. What a fun project for me and my 12 year old son!! We got all the way through the build including flashing the Arduino. We also did the Auto home via the LCD screen and all worked great. Once we tried connecting the printer in Repetier a "fatal error" appeared and also the LCD display had an error message (though it maby ManShear - Prusa i3 and variants