Laser Engraving & Cutting Control System Manual

controller is damaged, please replace it.

b). Moreover, set 0ms in the ‘Time’ of the laser in the control panel PAD (laser time after you stop pressing the laser ON

button). Adjust the power (0%~100%). Press ‘Enter’ and press the ‘Laser’ button. Measure the voltage change between

DA and GND. It should vary between 0~5V. If there is no change, that can only mean one thing: the controller is damaged.

Please replace it.

c). If the controller is okay, the laser power supply is damaged. Please replace it.

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