The Method to Test whether the Power Supply broken or not
1、Remove the two poles “+、-”wires of laser tube, keep them with distance 1cm
Note: Two wires can not touch together
2、Remove the connection wire between power supply and controller main board
Keep the AC connection of Power supply (as the red circle shows in picture)
Remove the connection with controller main board (as the blue circle shows in picture)
Test button (as the purple arrow in picture)
A. Machine power on, check if the water pump works as common and check if the light of the power supply is on or not. ( should be on)
B. Press “Test “ bottom.
C. If there turns up the blue electric spark on the wires, the power supply is in good condition, otherwise it is damaged.