For sale is a set of two Pioneer CDJ-2000s. Both units are displaying the "E-8709" error. This error seems to require replacement of the main board. Although the manufacturer does not accept repairs, it appears that "DJ Equipment Repair Shop dokukiri" can repair them, so this sale is intended for those who will repair and use the units. - Brand: Pioneer - Model Name: CDJ-2000 - Error Message: E-8709: COMMUNICATION ERROR - Error Message: E-8709: COMMUNICATION ERROR