MB SD C4 Please insert batteries and initialization failed

Benz MB SD Connect Compact 4 MB STAR Diagnostic system “Please insert batteries” and
“Initialization of diagnosis multiplexer failed” solution are provided.

Problem:

One of the  MB SD Connect C4 user has the problem when using the star C4 diagnostic system.
Error 1: Please insert batteries.
mb-sd-c4-insert-battery-1 (1)
Error 2: Initialization of diagnosis multiplexer failed
mb-sd-c4-insert-battery-2

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

Check the MB Star C4 Diagnostic 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.

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