Power is On, but nothing is displayed.
  

Check if the program cartridge is properly inserted.

Should the cartridge is properly insertred, ask for after sales service.
 

15 | 1/2    
15 After Service   How to use After Sales Service? And how long? [2] 4004
14 Product   DTC (Diagnostic Trouble Code) is not erased. 4217
13 Product   Power doesn't work. 3098
Product   Power is On, but nothing is displayed. 3389
11 Product   Display is too dark. 3439
10 Product   Backlight does not work. [2] 3914
9 Product   Unable to diagnose a vehicle (scan). [1] 6504
8 Update   How to update internal CAN chip. 4976
7 Update   How to update Ultraplexer module. [2] 6674
6 Product   How can i know OS version? 4228
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