CR-HD User's Manual
Here we list some frequently asked questions and answers relating to CR-HD.
Question: System halts when reading data stream. What is the reason?
Answer: It may be caused by a slackened connector. Please turn off the CR-
HD, firmly connect the connector, and switch on it again.
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.