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529 OBD II Scanner User’s Manual
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7. FAQ
Here we list some frequently asked questions and answers related to this
OBD II scanner.
Q: System halts when reading data stream. What is the reason?
A: It may be caused by a slackened connector. Please turn off the scanner,
rmly connect the connector, and switch it on again.
Q: Screen of main unit ashes at engine ignition start.
A: Caused by electromagnetic disturbance and this is normal phenomenon.
Q: There is no response when communicating with on-board computer.
A: Please conrm 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.
Q: Why are there so many fault codes?
A: Usually, it’s caused by poor connection or fault circuit grounding.
Q: How to record the live data?
A: While viewing the live data, press [OK] to record the diagnostic record for
later printing. The saved records are stored in “Print” in the Job menu.
Q: What to do if I want to print the saved record?
A: The saved records are stored in “Print” in the Job menu. To print the record,
user needs to visit www.x431.com/CR529 to download and install the
update tool on the computer since the print manager is integrated in the
update tool. Refer to Chapter 5.5 Print for details.
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