How to Slove Condor XC-MINI number button can not work properly?

Condor XC-MINI 3 years warranty,and its newest status now is V5.0.1.Condor MINI is with bulit-in all key lost database for 60 more global brands,2000 more vehicles,20000 more key types.(Get New  Xhorse Condor XC-Mini Plus Key Cutting Machine)


And we received email from customer that  I entered key number 2, but 1 is entered, entered key number 3, but 2 is entered.

The problem is static electricity on the screen,it is that your power is without groud cable,please confirm the ground cable and try again,or you can try one hand touch the screw, and then another hand to click the screen of condor mini key cutting machine.