I am a new member in N Devon. Just bought a bridgeport 3 phase mill series 1. Worked with transwave convertor for a few seconds then all stopped. I believe contactors are the problem. Does anyone know if one fails all fail? It stopped after I turned the main 1.5 HPmotor on. I suspect one of the contactors has fail safe setting. Does anyone know. Transformer is OK . I have checked all outlets which are numbered with voltages. Stop and "Go" switch on the front of the machine have no life!