Check the listing for details. Melco EMC10T embroidery machine CPU & I/O testing Instructional video. Condition: Used. Listed at 80.00 USD. You are buying an instructional video that I will email you the YOUTUBE private link after you purchase it. If you follow some procedures that I explain on this video, it may fix your problem on your machine if the symptoms below are the same. NOTE: Not 100% guaranteed. Symptoms: Machine freezes and gets stuck on start up, no display but fan turns on at power up, Axis errors, erratic alphanumeric characters shown on the display. Note: You will need to have basic knowledge on measuring DC voltage, resistance and testing continuity, you must also have a digital multi-meter that measures DC voltage, resistance and continuity. *Over 20 years of troubleshooting experience with Toyota and Melco Legacy embroidery machines. *Over 400+ Ebay feedback left and satisfied customers.