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Single LED is off

    A.May be a single LED damage, can be resolved by replacing the LED

Half group or a group of LEDs is off

    A.The LED cable failure can be replaced by a replacement cable

    B.Driver board failure can be resolved by replacing the driver board

Power not displayed

    A.Dashboard failure can be solved by replacing the display panel

    B.The program IC bad can be solved by replacing the program IC

    C.Switching power supply failure can be resolved by replacing the switching power supply

Scan card

    A.Belt loose, you can try to adjust the belt tightness

    B.The motor is broken and can be solved by replacing the motor cable

    C.Optoelectronics are not tuned, you can try to adjust the photoelectric switch position

    D.The input voltage is too low to try to adjust the input voltage

    E.The scanning motor is bad and can be solved by replacing the motor

Scanning does not move (XY axis does not move)

    A.The scanner board is burned out and can be covered by insurance

    B.The program IC bad can be solved by replacing the program IC

    C.There is a circuit board failure can be replaced by no power indicator circuit board to solve

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