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Fault 1: Laser welding machine suddenly stops working

Solution: Check whether the 3A fuse of the pre-burning plate is good, check whether there is a power outage; check whether the laser cavity is leaking.

Fault 2: Laser intensity weakens during the operation of the laser welding machine

Solution: Check whether there is water seepage on the end face of the laser rod. If so, stop the machine, re-tighten the sealing O-ring, and clean and maintain the end face of the rod; focus lens is contaminated and cleaned and maintained. Check whether the lens is fixed well.

Fault 3: During the operation of the laser welding machine, the buzzer sounds, and soon the power is cut off, and the cooling water temperature exceeds the upper limit setting temperature

Solution: Check whether the external circulation water valve is open and whether the water channel is unobstructed.

Fault 4: Start (power), (cooling), the switch is not powered

Solution: The water pressure switch does not work, unplug the water supply pipe to exhaust, and then plug the water supply pipe

If it involves laser welding machine maintenance, troubleshooting and other after-sales issues, please contact Aowa Laser,  

Fault 5: The laser welding machine light cannot be lit

Solution: Check whether the pre-combustion board has 220V; whether the 3A fuse is good or not, whether the xenon lamp is good or not

Fault 6: Laser welding machine, the light is on, and the (automatic) state does not emit light

Solution: Check whether the 3A fuse on the large printed board is good or not; whether the connector is loose, and whether the working voltage is >200V

Fault 7: Turn the (voltage adjustment) knob, and the voltmeter has no indication

Solution: The intelligent thyristor rectifier module is damaged, the voltage regulator board is faulty, whether the feedback button is closed, and whether the connecting line is loose.