If the CNC press brake machine has a hydraulic system or a phase sequence protection circuit. It may be that the three-phase electrical phase sequence is connected incorrectly. You can try to change the phase sequence.
The following steps should be strictly followed when preparing the press brake:
First, before preparing to start the equipment, first conduct a comprehensive inspection on the motor and power supply on the machine tool equipment to see whether it is in the normal working state.
Second, check the punch and die of the press brake machine to see whether their coincidence degree and firmness meet the requirements of processing sheet metal.
Third, check whether the positioning device on the machine tool meets the standard of sheet metal processing.
Finally, check whether the control parts and buttons of the press brake machine are in the correct position.