DIGI DOLPHIN DLX_WM VT70DDSL-CSN ERROR CODE “E9” Error code “E9”means, the signal detecting of the DD motor positioning sensor became abnormal.   Procedure for solving the problem: 1 The positioning sensor is loose, and you need to plug it again. 2 Defective PCB, you need to change the PCB(this PCB is not the display PCB,it is the one for direct drive with part code:1100064665) 3 Defective positioning sensor, and you need to replace it. Error Code “E9” can be solved by replacing three items one by one. Three items are : Hall board, PCB, Check looseness of connectors. (1100064665)