LAUNCH X-431Diagun User's Manual
51
Question: Why does the LCD screen respond so slowly?
Answer: It is because the ambient temperature is close to the lower limit of
operating temperature range (0-50℃). In this situation, it is necessary to
warm up the machine for 20 minutes before test.
Question: There is no character on the backlit screen. What should I do?
Answer: Check if the power is well connected. Turn off the machine, unplug
the power connector and re-plug it. Turn on the machine after it has been
connected to the power for 1 second.
Question: Why does X431Diagun fail in communication with ECU?
Answer: Please make sure that the diagnostic connector and diagnostic
program are matching vehicle make.
Question: The screen keeps blank after flashing when the machine is
turned on. What should I do?
Answer: Take out the TF card and re-start the machine to see if there is
normal display. If the display is normal when the TF card is taken out, the TF
card should be replaced. If the screen is still blank, please contact the local
service engineer.
Question: Why can’t the data be inputted after Soft Keyboard is activated?
Answer: The position where the cursor lies can’t be edited. Or you have not
activated the cursor on the input position. Please use the stylus to click the
part to edit. When the cursor twinkles, you can input the data.
Question: Why does the saved data disappear?
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