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12
UP 300 Service Manual
Failure
Cause
Solution
Remark
⚫
When the UP 300 is
connected with a
USB cable, there is
no prompt on the
connection, and
the software
control operation
can’t be performed
⚫
Unstable
connection state
causes
transmission model
data to fail/crash
after connection
➢
USB cable is not
fixed/loose; USB
cable is damaged
Check if the USB cable is damaged (damaged, connector
deformed), and re-plug the USB cable on the mainboard
and PC
If the fault persists, replace the USB cable
➢
USB port on PC
The USB interface of the connected PC may be damaged.
Change the USB interface or check it with another PC
➢
Software driver
installation failed
Connect the device to the PC with USB and update the
UP300 driver in the PC device manager (drive location:
software installation directory)
➢
Software version
problem
Download the latest control software from the designated
official website
➢
PC mainboard is
underpowered
Change another PC (some MACs have experienced
insufficient power supply to the mainboard and the symbol
of “USB connection” always flashes when connecting, and
eventually the connection is abnormal)
➢
Peripheral interface
board damaged /
display damaged /
external interface
board damaged
Turn off the power and replace the peripheral interface
board
Turn off the power and replace the display
Turn off the power and replace the peripheral interface
board
Replace the
peripheral interface
board
➢
Screen signal/
power cable
Turn off the power, and replace the screen signal/ power
cable
Remove and replace
screen power / signal
cable
Failure 07: Failed to connect UP 300 (USB), USB transfer failed