I have this error in the screen of the Bridgeport Interact Serie I milling machine :

            POWER INTERRUPTED

after press the PGM NR bottom apear the next message

            RELAY EXT. DC VOLTAGE MISSING

Anyone can tell me how to fix this problem .

I apreciate your help . regards

The second mesage disapear , but i have a new two alarms :

            X-MEASURING SYSTEM DEFECTIVE A

                                       and

            PASS OVER Z-REFERENCE MARK

Regards