1. The main motor of the single-screw extruder fails to start, and causes:
1) There is an error in the driving procedure.
2) There is a problem with the main motor thread, whether the fuse is burned.
3) The interlocking device related to the main motor works
2. The troubleshooting method of the main motor of the single screw extruder:
1) Check the procedure and restart the car in the correct driving sequence.
2) Check the main motor circuit.
3) Check whether the lubricating oil pump is started, and check the status of the interlocking device related to the main motor. The oil pump cannot be turned on, and the motor cannot be turned on.
4) The inverter's induction current has not been discharged, turn off the main power supply and wait for 5 minutes before starting.
5) Check whether the emergency button is reset.