Flashing red light

[FayDB]

Keep getting a flashing red light on my router (sagecom) and Internet goes down. Tried restart and unplugging, its just doing same thing. 

[Michelle-TalkTalk]

Hello,

Can you please update your community profile to include your:

• Name
• Telephone number
• Alternative contact number

We'll then look into this further. Please do not post this information on this thread. Once you've updated your profile please post in your topic to confirm it's updated.

Thanks

Michelle