Why does my Moto E screen goes black while making or receiving calls?

[AC Question]

why my moto e screen goes black while making or receiving calls?

I think there is some problem with the proximity sensor which is troubling. I have installed z device which shows 3cm distance. how to fix this issue please help......

 

[B. Diddy]

Re: why my moto e screen goes black while making or receiving calls?

Welcome to Android Central! Is anything blocking the proximity sensor, like a dirty screen protector, or an ill-fitting case?