why SD c4 show low voltage from cardiag.co.uk

MB SD Connect Compact 4 Star Diagnosis Version with hard disk

Buy it for 4 reasons:

1 Newest Version:  2014.05
Hardware version:  2.2

2 Full scan and coding tool for BENZ from 1996-2014.

3 WIFI or lan cable connection,more easy to use!No need COM port computer.

4 Multi-language:
Bulgarian/Danish/Greek/Spanish/French/Italian/Korean/Polish/Romanuan/Serbo-Croatian/

Turkish/Czech/German/English/Finish/Hyngarian/Japanese/Dutch/Japanese/Dutch/Portuguese/Russian/Swedish/Chinsee

why SD c4 show low voltage ?

Pls check 

1 your c4 unit back,if miss battery

2 or the adapter ,cable connection is not good.

3 if your car power is stable,keep turn on.

Package List

1pc x Multiplexer
1pc x OBDII 16PIN Cable
1pc x 38PIN Cable
1pc x 14PIN Cable
1pc x 8PIN Cable
1pc x Lan Cable
1pc x Hard Disk (320G New)

Any questions, please don't hesitate to contact us.

Email:sales02@cardiag.co.uk               

Skype:cardiag.co.uk 

Yahoo:cardiag.service@yahoo.com