The laser won’t turn on

This problem is probably caused by one of three conditions:

1.Emergency Stop key is pressed in;

2.The fuse in power plug blew out or circuit breaker is off;

3.Defects of the Emergency Stop key or Main switch.

1.Make sure the Emergency Stop Switch is not pressed in.

2.

①Please check if the power plug just like the picture below, if yes, mare sure the circuit breaker in the back of the machine is not turned off.

②If your machine was bought before November 2016, please test if there ‘s 115V/230V power input by the following image or not? if there’s no 115V/230V power input, please check the fuse and replace it（see pic to find where’s the fuse）.

3.If above are all normal, please test if there ‘s 115V/230V power input(Switch be off, test the sides of “O”) by the following image. If yes, the Emergency Stop key is fail; otherwise, the Main switch is fail.