What's wrong with the motor of the nose bridge of Tianwei mask machine?

The power supply is not connected, the fuse is blown or the control equipment is wired incorrectly.

The machine can't run without power supply, the circuit is blocked or short-circuited due to blown fuse, and the machine can't start the running mode due to wrong wiring.

Troubleshooting method: check whether there are breakpoints in the switch, fuse and junction box of power supply circuit and repair them; Check the fuse model and fuse reason, and replace it with a new fuse; Adjust the relay setting value to cooperate with the motor; Correct the wiring.