In process of operation of Launch X431 PAD, you may come across some questions, including the software, hardware, operation and something related to the vehicles. Read the user’s manual to get the answer if you have any question.
Here, we list some frequently asked questions and answers on using X-431 PAD.
1 About Hardware
1Q: Why does the LCD touch screen respond so slowly in cold whether?
A: It is because the ambient temperature is close to the lower limit of operating temperature range (-10-55℃). Under this situation, it is necessary to warm up the machine for 30 minutes before test.
2Q: There is only backlight and no character on the screen. What should I do?
A: 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.
3Q: Why there is no response or response incorrectly while clicking the screen with touch pen?
A: Please calibrate the screen again.
4Q: What can I do when the screen is confused?
A: Please quit the current application (interface), and run it again. If the problem still exists, please restart the system.
5Q: Why can’t the data be input after Soft Keyboard is activated?
A: The position where the cursor locates can’t be edited. Or you have not activated the cursor in the input position, please use the stylus to click the part to edit. You can input the data if the cursor flashes.
6Q: Why X-431 Diagun fails in communication with ECU?
A: Please check and make sure that the diagnostic connector and diagnostic program are matching the vehicle make.
2 About Software
1Q: System halts when reading data stream. What is the reason?
A: It may be caused by a slackened connector. Please turn off the machine, firmly connect the connector, and switch on the machine again.
2Q: Why X-431 PAD fails in communication with ECU?
A: ECU does not respond. Please try to use the latest update tool to upgrade to the latest diagnostic program.
3 About System
1Q: Main screen blinks at the moment when engine ignition.
A: It results from electromagnetic interference and this is normal phenomena.
2Q: Diagnose interrupted during diagnosing process.
A: Caused by electromagnetic disturbing or poor connecting.
3Q: There is no response when communicating with on-board computer.
A: Please confirm the proper voltage of power supply and check if the throttle has been closed, the transmission is in the neutral position, and the water is in proper temperature.
4Q: The systems equipped with the vehicle can not be diagnosed.
A: DLC of some early models is separated; refer to User’s Manual for details.
5Q: The fault code storage is blank.
A: Usually, it’s the “suquela” for shared circuit. Please locate and analyze the most similar fault code and its circuit.
4 Other questions
1Q: The thermal paper can no be fed after being loaded.
A: It is possible to install it improperly. Refer to Chapter 2.3 Printer in the User’s Manual or consult from our branch offices or dealers.
2Q: How long is the standby time of battery?
A: Recharge it correctly. In general, the charging time is about 6 hours for new machine. Once the charing icon disappears, it indicates it is fully charged. If standby time is set, it can last for about 5 hours.
3Q: The screen is too white and characters cannot be seen. What is the reason and what should I do?
A: It may be caused by improper contrast. Please refer to the section “Adjust Brightness” to adjust the contrast.
4Q: Why is the machine automatically powered off during standby?
A: It is because the machine has been set for energy saving. Automatic shutdown will take place if the machine is not operated for a specified period of time. Refer to the section “Power option” under System setting in User’s Manual.
5Q: Why can’t the tested result be printed out?
A: There may be no paper in the printer. Please mount a roll of new paper. See Chapter 2.3 Printer in the User’s Manual.
6Q: Why is there no character on the printing paper?
A: The paper is mounted reversely. Please take out the paper and mount it again. See Chapter 2.3 Printer in the User’s Manual.
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