The main reason and treatment of the laser not emitting light



This is Claire Shen from Jingwei laser equipment Co., Ltd,which is a professional manufacturer for 6 years. Our company mainly produces marking machine and engraving machine, 1. We are the manufactur

 the main reason of the laser not emitting light and the treatment measures

(1) check whether the power supply wiring of the laser is correct (+ 24V and GND are connected reversely, and whether the ground wire is grounded);

(2) check whether the emergency stop switch of the equipment is normal, and the signal is high level when the laser works normally;

(3) check whether the power supply of the laser is normal, and test whether the power supply meets the actual power supply requirements under the condition of no-load and with load (connected with the laser);

(4) whether the software settings are correct;

5)whether the serial port wiring is correct according to the wiring definition;

6)Whether the signal of 6-pin18 and pin19 is normal;

7) check whether the power supply of the marking card is normal and the signal of the control laser is normal (see 5.2 DB25 control interface pin function).


Claire Shen(Miss)

International trade manager

Liaocheng Jingwei Laser Equipment Co.,Ltd

Address:Liaocheng, Shandong, China(mainland)

Tel/Wechat: (+86) 19963537906      Whatsapp: (+86)17863530327

Email        Website:


Please Send The Contact Email To

Welcome to inquire


Address:No. 111, Baililai Kechuang Town, Intersection of Hunan Road and Xindonghuan, Liaocheng High-tech Zone, Liaocheng, Shandong, China 




Submit →