Geeetech

I have a multimeter but i'm not able to reach the plug, it is in a corner under a nut. any suggestion?

After the first test print from the SD card I saw the control board fan is not starting on the A10M. I have near an A10 and its fan start as the printer is turned on. I disassembled the top of the control box and the fan has no visible issues or smell. then I unplugged and plugged back to check for ...