LAUNCH                                                                 
CReader Series English User’s Manual
 
34 
8. FAQ 
Here we list some frequently asked questions and answers relating to the 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: 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.