Troubleshooting
Alarm message of LCD panel-hard Limit Prot
Problem Description: The LCD panel show "hard Limit Prot" Reason: This could caused by the damaged limit switch, plaser check all the limit switch. X axis limit 1. Please check if the wiring and rocker of switch are well or not, like below. If yes, ...
Aligning Your Laser Beam
Preface: This article covers How To align your laser beam in a 3 mirror gantry based Nova laser Keys to Success: (Read all of these) 1. Make sure the gantry is mechanically aligned else you will have trouble with mirror 3 Nova X and Y Verticality ...
How to measure the laser tube power with a power meter
Please don't put the power meter under the laser head to test, here is the demonstration of the error.
The machine won't turn on
Reasons: 1. Emergency Stop key is pressed Solution: If it’s pressed, please reset it, like below. 2. The circuit breaker has tripped Locate on the lower right-hand door panel (or back side door panel). Solution: Please check if it’s in off position, ...
Cutting problem– Why the starting point of a cutting graphic can’t meet with its end point
Problem description: This problem is due to the different movement of the belt on both sides of the Y-axis, which lead the belt is not synchronized. Reasons: 1. There are some ways to improve the cutting problem by adjusting software. 1) An option of ...
LCD panel keeps showing"Connecting to controller"
Problem description: The LCD panel keeps showing "Connecting the controller" even if reboot the machine. Reasons: 1. Controller board is faulty The controller board is faulty. Solution: Turning the machine on, open the right side door and see if ...
Why the waves appear during cutting - The line is not straight
Problem description: Waves appear when cutting straight line or circular. Noted: Regularly check whether there is any dirt stuck between the belts and gears of the X-axis or Y-axis first, which may affect the trajectory of the belt. So we need to ...
Why does the glass tube's power is unstable
Problem description: The laser power is unstable in the same layer, which causes different depths of graphics in different positions in the same layer. Reasons: 1. The focus lens & reflector mirrors is dirty Dirty lenses reduce the laser reflectivity ...
Alarm message of LCD panel-No enough extend space
Problem description: LCD panel shows the following information: Reason: 1.This problem only appears on engraving mode, it's caused by the buffer distance is out of bound. For example, if you want to engrave a picture of 200×200mm, you move the laser ...
Why the laser tube won’t fire the beam
Problem description: The laser tube won't fire the beam even the laser switch is on. Reasons: 1. The laser beam path is out of aligned If the laser beam path is out of aligned, the beam cannot comes out from laser head. Solution: Paste a piece of ...
Why does the cutting and engraving graphics reverse(mirror)
Reason: Improper setting of the software. Solution: In RDWorks: For old versions: Click “Config” – “system setting” on the menu bar. This dialog box will appears. Make sure “Axis X mirror” is unticked, and “Axis Y Mirror” is must ticked. For new ...
Y-axis not moving at all
Reasons: 1. Rotary switch is turned on For 5-pin machine, the rotary-axis and y-axis can be switched, if the rotary switch is turned on, y-axis will not moving at all, and the rotary-axis will need to connect the rotary device. Solution: "I" means ...
X-axis not moving at all
Reasons: 1. X-axis limit switch problem X-axis limit switch is located on the left side of x-axis, like below. We have installed three limit switches before, and Omron is the one we are using now. Mechanical limit switch: Slot limit switch: Omron ...
Why the L-shape shaft will hit the slot limit switch
Reasons: 1. The machine fails to reset successfully after you turn on he machine(press "ESC" button during the reset process), the coordinate of X/Y will be mess. Solution: Please make sure the machine can complete the automatic reset every time ...
Engraving problem—The engraving quality is very poor
Reasons: 1. The needed focus is lost Wrong focus length For standard laser head(2" lens), the focus length is 6mm, 4 inch laser head, the focus length is 10mm. TYPE DOT SIZE FOCAL DISTANCE FUNCTION STANDARD 2" 0.0039″(0.099mm) 4.5mm~6.5mm Cutting ...
Why the "Origin" button of LCD panel not working?
Reasons: 1. Wrong starting point is set in software Solution: select current position as starting point in softwares. RDWorks: Locate on the bottom left corner, the option of "Position" please select to Current position. Lightburn: Locate on the ...
Why the red dot pointer not being able to come out from the laser head?
Problem description: You can not see a red dot comes out from laser head. Reasons: 1. The red dot pointer is off Locate on the Red Dot Pointer Mount in the rear of the machine, and check if the Red Dot Pointer is off, like below. Solution: Please ...
Rotary axis attachment has a wrong cylindrical engraving/cutting size
Problem description: The engraving/cutting size is incorrect when you using the rotary attachment. Reasons: 1. Wrong circle pulse or diameter (1) Circle pulse Check the gear ratio on your rotary attachment. Gear ratio 4:1 structure, like below. ...
Why my U-disk can't be recognized by the machine
Problem description: The machine cannot recognize the U-disk, and LCD panel show no U-File when you choose Read U-disk file. Reasons: 1. The U disk selection error The U disk can be recognized by machine: Disk capacity:16G(including 16G and below) ...
Why does the machine beep continuously
Problem description: You can hear a beep continuously that comes from the indicates light, even if the machine is rebooted. Reasons: 1. Temperature sensing probe is bent The heat alarm sensor board is installed in the middle under the X-axis ...
Alarm message of LCD panel--Machine protected(Old type sensor)
Question: LCD panel shows the following information: Reasons: 1. The doors with sensor are not closed Our machine has protection sensors for door (front cover and laser tube cover), like below. Solution: Please close all the doors before starting ...
Alarm message of LCD panel--Machine protected(New type sensor)
Problem description: LCD panel shows the following information: Reasons: 1.The door with sensor not close Our machine has sensors for door protection, we've installed 5 door sensors totally. 2 mounted at top flap, 1 mounted at the front door, 1 ...
Alarm message of LCD panel-Water error
Problem description: LCD panel shows the following information: Reasons: 1. Water chiller(water pump)is not turned on The switch in the red circle in the picture is not turned on. Solution: Please turn on the water chiller before power on the ...
No response to LCD panel keys
Problem description: When you turn on the machine, the machine can reset normally, but the buttons on the LCD panel do not respond when you click it. Reason: 1.The LCD panel cord is not firmly connected to the controller port. Solution: Unplug the ...
Cutting problem-- Some point of the same piece of materials cannot be cut through
Reasons: 1. The needed focus is lost Wrong focus length For standard laser head(2" lens), the focus length is 6mm, 4 inch laser head, the focus length is 10mm. TYPE DOT SIZE FOCAL DISTANCE FUNCTION STANDARD 2" 0.0039″(0.099mm) 4.5mm~6.5mm Cutting ...
Alarm message of LCD panel-Frame X/Y Slop over
Problem description: LCD panel shows the following information: Reason: 1.The size of the graphic is larger than the working area of the machine Solution: If your laser cutter's working area is 600×400mm, but you want to cut a graphic which larger ...
Laser cutter's LCD panel in Chinese
If your laser cutter’s LCD panel is in Chinese, how to solve it? 1. click “Z/U” button 2. select “语言设置”and then press “Enter” to confirm 3. select “英文”and press “Enter” to confirm Now it’s in English. Below video is for reference. End.
How to judge if the laser power become weaker?
Please find a piece of 6mm acrylic (50*50mm),which used for testing the power of laser tube.You should have one in your toolbox. If you don't have acrylic, you can cut wood, then tell us the thickness. Like below. Files: cut a 15*15mm circle ; ...