Thanks for the info. I have found out the board is a Melzi V2_V3D dc 12v 20A supplied to the board found an internal break in the + wire - replaced LCD2004 5 keys keypad Have removed SD card and tried again Tried adjusting the screen contrast Still not displaying on LCD Only thing I can think is a dry soldered joint or blown component??by Sundowner14 - New Zealand RepRap User Group
PSU power is 3.3v Using Repetiere program I can load a gcode and the xyz motors work. Had to shut down quickly as the x axis motor moved to extreme left of travel I do not know how to access data off the board thru my computer. Repetiere program show all axis set at zero ??? I have checked all connectors are pressed right in No LEDs on board The board only has Zonestar written on it so I'm thinkiby Sundowner14 - New Zealand RepRap User Group
Newbie would appreciate any advice,I have a new Prusa Steel (Zonestar) printer kit that I built myself. Carried out initial set up as per instructions no problems. I have made no changes to the program on the unit. Switched off while I loaded a gcode test file to build a small pillar onto the SD card. Turned the printer back on LCD is lighting up showing a blank blue screen. The filament coolingby Sundowner14 - New Zealand RepRap User Group