1. Check if the thermal relay of the host is properly connected when it is tripped:

If the relay trips and disconnects, please check the relay and follow the operating procedures of the steel bar straightening and cutting machine. Press the thermal relay button again.

2. Check if the reverse button on the host has returned to its original position:

The solution is to replace the reverse button and electric shock switch.

3. If the host does not start when the reset switch is pressed to zero, follow the operating procedures of the steel bar straightening and cutting machine. Press the reset switch and reset the counter to "0".