Geeetech

Moving the mosfet, i've see that the red led lights on.
Looking the pcb, i've see that the radiators are not soldered (photo). It's normal?

I've founded the fault: there was a little bit of tin short-circuiting the pins 2 and 3 (TX and RX) of 2560. Now i've refreshed the firmware and it's ok!
Thanks a lot Toy!

The power is ok (led ON and both 12V leds are on). The serial port/driver it's ok (com8 created by window).

I've tried to load the firmware with both arduino 1.0.6 and arduino 1.06.6, but the system says:

"avrdude: stk500v2_getsync(): can't communicate with device: resp=0x01" ( arduino 1.0.6 ...

Hello,
I bought a Acryl Prusa I3 X. I've assembled it but i've got a problem with the gt2560.
When i've switched on the printer, the LCD display turned green with two lines of black boxs. I checked the cables for the SD card and the display, it OK.
I've tried to connect the printer to the pc: the ...