How to solve the VCM2 connection problem?

When connecting the VCM 2 to the car and computer, the lights are bright. But after 4-5 minutes, all lights extinguish automatically. Then disconnect the device and computer, and reconnect VCM 2 to the car and usb cable, all lights bright again.
When you encounter above problem, you should change a new capacitor. See following picture, capacitor is inside red circle, you can buy a new capacitor from your local shop to replace the old one. Capacitor model was marked in the picture. 
If needed, we also can get a new capacitor from factory to send you.

vcm capacitor