How to solve MB SD C4 Insert Batteryi and Initialization Failed

Mercedes Benz MB SD Connect Compact 4 MB Star diagnostic system “Please  insert batteries” and“Initialization of diagnosis multiplexer failed” solution  are provided.MB SD C5
Problem:
One of the Mercedes MB SD  Connect C4 user has the problem when using the star C4 diagnostic  system.
Error 1: Please insert batteries.

Error 2: Initialization of diagnosis multiplexer  failed

Possible reason：

He has not got the MB SD C4 connected with Dell D630 laptop to build  communication.

Mercedes Benz EIS Trouble Repair Guide 

Solution:

Check the SD Connect C4 icon on the bottom of the toolbar, power on the  SDConnect and connect the diagnostic scanner with computer, if the #21 device  displays in “x” status,it indicates the C4 multiplexer is not well connected or  well configured,how to tell:
1.Open laptop Local Network Connection->SD C4 WLAN，disconnect then connect  to check if network connection has changed. If the network remains  unchanged,change another laptop and do the same setting.
2.If network status did not change on any laptops,then change a new LAN cable.If still no changes,you have to  send back your SD C4 main unit for repair.

http://blog.uobdii.com