My Codeless Phone Tesco ARC110 does not ring?

My Codeless Phone Tesco ARC110 does not ring.?
I have a y Codeless Phone Tesco ARC110 does not ring.?
I have a TESCO ARC110 codeless phone, for which I do not have a manual. My problem is it does not ring. On the screen I can see the "bell" is cut by a slash[/].
Please sort out my problem and sent a manual {electronic ver} to my eMail.

Thankscodeless phone, for which I do not have a manual. My problem is it does not ring. On the screen I can see the "bell" is cut by a slash[/].
Please sort out my problem and sent a manual {electronic ver} to my eMail.

Thanks