The solution for CNC laser cutting machine not emitting light: Knowing these can avoid some troubles

　　 During the use of the CNC laser cutting machine, you may encounter the situation that the CNC laser cutting machine does not emit light. The editor will lead you to analyze the causes and solutions of such failures.

　　 If you encounter a situation where the CNC laser cutting machine does not emit light, when such a failure occurs, you must first What is done is to check the machine, which can be carried out in the following 5 steps:

　　1. Check whether the water circulation is normal, let the water circulate normally, if the water protection is damaged, you can short-circuit the water protection to use;

　　2. Point pre-adjustment to see if the ampere meter is swinging. If it does not swing, use a multimeter to test whether the laser power supply has 220V power supply. If it does, it will not emit light. The power supply may be faulty and need to be replaced;

　　3. The GND ground wire and P water protection short section on the power supply can also be used to test whether the water protection is broken. Short-circuit +5 v and AIN to check the maximum output power. If it emits light, the potentiometer is broken and needs to be replaced;< /p>

　　4. If the running program does not emit light, connect the card to test whether there is a DC 3V or more between the 15 (H) or 16 (L) angle and the 14 angle. If there is, the card is normal. No There may be a problem with the card signal;

　　 5. There is a noise inside the laser power supply, usually because the power connector is poorly connected, re-welding or connecting, and then blow away the dust in the power supply.

　　 When you encounter a situation where the CNC laser cutting machine does not emit light, you must first check the machine itself. Follow the five-step strategy. Check the card and laser power supply step by step.

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