good afternoon. Two years ago, we purchased a press brake of your manufacture. Now it is out of service, and I am asking for help to restore its functionality. The problem is that the upper beam is not rising. There is no required pressure in the system. During the diagnostic process, it was identified that there is no control signal to the servomotor control unit on wires 1501 and 1503 (output signal 0–10 VDC for controlling the creation of working pressure) from the 2 VDC OUT connector of the Yawei NCY64 (S640) CNC system. My phone number is +79160576464, and my email is alexandr-ogol@yandex.ru.
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