If you notice that your printer’s LCD is dimming or not illuminating, it may be due to issues with the LEDs. This article will guide you through the process of checking your device's LED to check whether the LEDs are properly connected or have burned out
DO NOT look directly at the UV light to prevent eye discomfort.
Visual check the LED chip (COB)
- Turn off the printer
- Loosen the 4 screws on the front case and the 8 screws on the rear case
- Remove the front case and the rear case
Be cautious when sliding off the cover to avoid damaging any cables
- Reach inside the printer and take a photo of the LED chip (COB) located behind the lens to check for any signs of burnout
- Check the photo to see if the LED is burnt
Check the red & black wires for the 3 LED terminal blocks
If the LED on the Sonic Mighty 8K is not lighting up, check the connection of the LED terminals as they may be the cause of the issue.
The LED connections consist of three pairs of wires. One pair is connected to the mainboard, and the other two pairs are connected to the LED driver board. That is, Terminal 1 is the second block from the left on the mainboard, while Terminal 2 and Terminal 3 are situated on the LED driver board, which is located at the back of the printer
- Turn off the printer
- Loosen the 4 screws on the front case and the 8 screws on the rear case
- Remove the front case and the rear case
Be cautious when sliding off the cover to avoid damaging any cables
- Gently tug on the red and black wires connected to Terminal 1, Terminal 2, and Terminal 3 to check for any looseness
- If the wires have become disconnected from the terminal block, use a screwdriver to reattach them (see below yellow)
- Reinstall the front case
- Run LCD Test to activate the LED
- Check if the LCD has returned to normal brightness
Contact Support
By following these steps, you can easily check the LEDs on your device and determine whether they need to be repaired or replaced.
If the issue persists after attempting the above steps, please contact Phrozen support or your authorized reseller for assistance.
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