Faq - Launch CRT5011E User Manual

9. FAQ

Here we list some frequently asked questions and answers relating to this tool.
Question: System halts when reading data stream. What is the reason?
Answer: It may be caused by a slackened connector. Please turn off the tool,
firmly connect the connector, and switch it on again.
Question: What to do when encountering screen flickering or font damage
during use?
Answer: This bug can be fixed ONLY by doing the following:
1. Keep the memory card inserted into the tool and then connect the tool to
the PC via USB cable.
2. The system will automatically upgrade the firmware and then reboot.
Note: Although the tool can get power from vehicle's OBD II port via the
diagnostic cable, it only allows users to perform vehicle diagnostics. It does not
apply to software update or firmware fix operation.
Do not attempt to connect the tool to the vehicle's OBD II port to fix this bug.
Question: Screen of main unit flashes at engine ignition start.
Answer: Caused by electromagnetic disturbing, and this is normal
phenomenon.
Question: There is no response when communicating with on-board
computer.
Answer: 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.
Question: Why are there so many fault codes?
Answer: Usually, it's caused by poor connection or fault circuit grounding.
Question: What to do if the tool fails to boot up?
Answer: Please connect the tool to the USB port of a computer to fix the
firmware.
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