Packing machine troubleshooting

The electromagnet does not pull in. Most of the reasons for this failure are the internal failure of the host, the solenoid coil is blown, the line is interrupted, etc. The solution is: first check whether there is a problem inside or outside the host; secondly, check Electromagnet fuse, check whether the electromagnet is energized, remove the mechanical jam, and check the internal power supply when everything is normal; what is often encountered in the weighing and packaging machine is that the cause of this failure is: the sensor is damaged, If the bridge voltage is faulty, the line connection or interruption is wrong, the troubleshooting method is: detect the load signal of the sensor and the connection or the host, and detect the bridge and the amplifying circuit or the computer output display circuit when it is close. Sometimes the system stability may occur. If it is not good, the bag quantity is unstable. To solve this problem, you can test whether the line is faulty.