FAQ - X431

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X-431 Pro GT/ V4.0/MINI V3.0, X-431 Diagun V FAQ 2020 - 09 - 16

Q1.How to reset the tablet?

There are 2 methods available to reset the tablet:
Method 1
1) Ensure the tablet is in ON mode.
2) Select “Setting” on the Home screen.
3) Select “Backup & reset”.
4) Tap “Factory data reset”.
5) Tap “RESET TABLET” to confirm.

Method 2
If the tablet failed to boot, please follow the steps below to fix it.

Warning: Resetting may cause data loss. Be careful to do so.

1) Ensure the tablet is in OFF mode.
2) Hold and press POWER key for about 4~5 seconds and then release it. Then press it once and release to enter the system recovery mode.

Note: All operations must be performed by pressing the POWER key in the recovery mode. Short press (without delay) can switch different options and long press can confirm the selection.

3) Move the highlight bar on “wipe data / factory reset” and long press the POWER key to confirm.
4) Short press the POWER key to select “yes” and long press it to confirm.
5) Select “reboot system now” and long press the POWER key to restart the system.
6) After resetting is complete, follow the on-screen instructions to finish the system settings.

Q2.What to do if my Google apps cannot work normally?

This tablet is developed based on the Android 7.0 operating system. Because the Android 7.0 system cannot implement Google CTS (Compatibility Test Suite) certification, applications from Google family may fail to work properly on this tablet.

Unauthorized installation of Google applications or other third-party apps is prohibited. All losses and consequences resulting from failure to do so shall be undertaken by the user. We shall not assume any responsibility for it.
X-431 Pro FAQ 2017 - 09 - 25
Q1. How to save power?
- Please turn off the screen while X-431 PRO3 keeps idle.
- Set a shorter standby time.
- Decrease the brightness of the screen.
- If WLAN connection is not required, please turn it off.
- Disable GPS function if GPS service is not in use
Q2. What should I do in case I forgot the screen lock?

You can set screen lock as pattern or password. If you forgot the password, please consult your device provider or reset your device.
Warning: Resetting may cause data loss. Before use, please make sure important data has been backed up.

Q3. How to do if the system runs slow?

In this case, please do the followings:
- Check all running applications and stop the unnecessary applications (Steps: Settings > Apps > Running > Tap the desired application and then tap “Stop”).
- Check all installed applications, remove the unnecessary applications (Steps: Settings > Apps > Downloaded > Tap the desired application and then tap “Uninstall”).
If all steps mentioned above are finished and the system still works slowly. Please try to close the system and reboot your X-431 PRO3.

Q4. How to handle when you encounter “Insufficient storage space”?

If this happens while downloading the diagnostic software, please proceed as follows:
1. Get your X-431 PRO username and password ready. If you forgot the password, please dial our hotline to retrieve it with the product serial number 98519*******.
2. Reset the X-431 PRO3 to the default factory settings (For details, please refer to Item 5 in this Chapter).
3. Tap “Settings”-->“WLAN”, choose the desired WLAN network to connect.
4. Open the browser and visit www.dbscar.com to download and install the latest App.
5. After the installation is complete, launch the application and login with your username and password.
6. Tap --> “Update” to download the diagnostic software.
Note: For new App, the software structure and storage space occupied by the vehicle softwares have been optimized so as to avoid the occurrence of insufficient storage.

Q5. How to reset X-431 PRO3?

Resetting may cause data loss. Before doing so, please make sure important data and information has been backed up.
Do the following to reset X-431 PRO3:
1. Tap “Settings”-->“Back & Reset”;
2. Tap “Factory data reset”;
3. Tap “Reset tablet”;
4. Tap “Clear all data” to start resetting until the tool automatically reboots.
Q6. Why some videos on the website can be not played?

It possibly results from:
- The current browser does not support Flash playing;
- Flash player does not support this video.
Try to use other browsers to watch it or install other Flash player.

Q7. The data and time of X-431 PRO3 can not be set.

It is because Automatic date & time is set on your X-431 PRO3. Tap Settings > Date & time, deselect “Automatic date & time” and then set the date and time manually.
X-431 Pad FAQ 2017 - 09 - 25

In process of operation of X-431 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. If it can not be solved still, please note it down and send email to overseas.service@cnlaunch.com for help.
Here, we list some frequently asked questions and answers on using X-431 PAD.

About Hardware
Q1: Why does the LCD touch screen respond so slowly in cold whether?
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.

Q2: There is only backlight and no character on the screen. What should I do?
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.

Q3: Why there is no response or response incorrectly while clicking the screen with touch
pen?
Please calibrate the screen again.

Q4: What can I do when the screen is confused?
Please quit the current application (interface), and run it again. If the problem still exists, please restart the system.

Q5: Why can’t the data be input after Soft Keyboard is activated?
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.

Q6: Why X-431Diagun fails in communication with ECU?
Please check and make sure that the diagnostic connector and diagnostic program are matching the vehicle make.

About Software
Q1: System halts when reading data stream. What is the reason?
It may be caused by a slackened connector. Please turn off the machine, firmly connect the connector, and switch on the machine again.

Q2: Why X-431 PAD fails in communication with ECU?
ECU does not respond. Please try to use the latest update tool to upgrade to the latest diagnostic program.

About System
Q1: Main screen blinks at the moment when engine ignition.
It results from electromagnetic interference and this is normal phenomena.

Q2: Diagnose interrupted during diagnosing process.
Caused by electromagnetic disturbing or poor connecting

Q3: There is no response when communicating with on-board computer.
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.

Q4: The systems equipped with the vehicle can not be diagnosed.
DLC of some early models is separated; refer to User’s Manual for details.

Q5: The fault code storage is blank.
Usually, it’s the “suquela” for shared circuit. Please locate and analyze the most similar fault code and its circuit.

Other questions
Q1: The thermal paper can no be fed after being loaded.
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.

Q2: How long is the standby time of battery?
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.

Q3: The screen is too white and characters cannot be seen. What is the reason and what
should I do?
It may be caused by improper contrast. Please refer to the section “Adjust Brightness” to adjust the contrast.

Q4: Why is the machine automatically powered off during standby?
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.

Q5: Why can’t the tested result be printed out?
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.

Q6: Why is there no character on the printing paper?
The paper is mounted reversely. Please take out the paper and mount it again. See Chapter 2.3 Printer in the User’s Manual.
X-431 Pad III FAQ 2017 - 09 - 25
Q1. How to save power?
- Please turn off the screen while X-431 PRO3 keeps idle.
- Set a shorter standby time.
- Decrease the brightness of the screen.
- If WLAN connection is not required, please turn it off.
- Disable GPS function if GPS service is not in use.
Q2. What should I do in case I forgot the screen lock?

You can set screen lock as pattern or password. If you forgot the password, please consult your device provider or reset your device.
Warning: Resetting may cause data loss. Before use, please make sure important data has been backed up.

Q3. How to do if the system runs slow?

In this case, please do the followings:
- Check all running applications and stop the unnecessary applications (Steps: Settings > Apps > Running > Tap the desired application and then tap “Stop”).
- Check all installed applications, remove the unnecessary applications (Steps: Settings > Apps > Downloaded > Tap the desired application and then tap “Uninstall”).
If all steps mentioned above are finished and the system still works slowly. Please try to close the system and reboot your X-431 PRO3.

Q4. How to reset X-431 PADIII?

Resetting may cause data loss. Before doing so, please make sure important data
and information has been backed up.
Do the following to reset X-431 PADIII:
1. Tap “Settings” -> “Back & Reset”.
2. Tap “Factory data reset”.
3. Tap “Reset tablet”.
4. Tap “Clear all data” to start resetting until the tool automatically reboots.

Q5.Why some videos on the website can be not played?

It possibly results from:
1. The current browser does not support Flash playing;
2. Flash player does not support this video.
Try to use other browsers to watch it or install other Flash player.

Q6.The data and time of X-431 PADIII can not be set.

It is because Automatic date & time is set on your X-431 PADIII. Tap Settings >Date & time, deselect “Automatic date & time” and then set the date and time manually.
CRP123 FAQ 2017 - 09 - 25

Here we list some frequently asked questions and answers relating to CRP123.

Q1: System halts when reading data stream. What is the reason?
It may be caused by a slackened connector. Please turn off the CRP123, firmly connect the connector, and switch on it again.

Q2: Screen of main unit flashes at engine ignition start.
Caused by electromagnetic disturbing, and this is normal phenomenon.

Q3: There is no response when communicating with on-board computer.
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.

Q4: Why are there so many fault codes?
Usually, it’s caused by poor connection or fault circuit grounding.
CR-HD FAQ 2017 - 09 - 25

Here we list some frequently asked questions and answers relating to CR-HD.

Q1: System halts when reading data stream. What is the reason?
It may be caused by a slackened connector. Please turn off the CRHD, firmly connect the connector, and switch on it again.

Q2: Screen of main unit flashes at engine ignition start.
Caused by electromagnetic disturbing, and this is normal phenomenon.

Q3: There is no response when communicating with on-board computer.
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.

Q4: Why are there so many fault codes?
Usually, it’s caused by poor connection or fault circuit grounding.
Cresetter II FAQ 2017 - 09 - 25

Q1: Screen of main unit flashes at engine start.
Caused by electromagnetic disturbing, and this is normal phenomenon.

Q2: There is no response when communicating with on-board computer.
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.
Creader VI FAQ 2017 - 09 - 25

Here we list some frequently asked questions and answers relating to CReaderVI.

Q1 : System halts when reading data stream. What is the reason?
It may be caused by a slackened connector. Please turn off the Creader VI, firmly connect the connector, and switch on it again.

Q2: Screen of main unit flashes at engine ignition start.
Caused by electromagnetic disturbing, and this is normal phenomenon.

Q3: There is no response when communicating with on-board computer.
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.

Q4: Why are there so many fault codes?
Usually, it’s caused by poor connection or fault circuit grounding.

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