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Bridgeport Interact 720 Relay EXT , DC Voltage Missing


May 12, 2022
Apart from many other problems , this is popping up , when the three trip switches stay in when I start up ! Not always all three , sometimes just one or two etc etc .RELAY EXT .DC Voltage MISSING .Any ideas whats up ? I have tried to get a specialist in to help but there all to buisy !! Or could it be that the door switches are defect ,and one is open or damaged ??? Hope you can help , thank you Harry IMG_8471.jpg