¶ 1. Phenomenon description
After the machine is powered on, the three indicator lights of the laser module are flashing orange, and the control panel indicator light is not on.
¶ 2. Cause analysis
2.1 The mainboard's boot button is in the "Down" state, the mainboard program does not execute.
2.2 Other hardware causes the mainboard to stop working.
2.3 Faulty mainboard.
¶ 3. Troubleshooting and solution
3.1 Power off the machine, remove the mainboard shield, inspect the boot switch, adjust the switch to the correct position and then power on to see if it functions normally, if so, replace the mainboard shield.
3.2 Power off the machine, remove the three terminals on the top side of the mainboard, power up to check if the mainboard indicator lights can display normally, if not, the mainboard is defective, replace the mainboard. If the indicator lights are functioning normally, then the adapter board is defective, replace the adapter board.