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Full Fibre + Phone Line Down - Router Boot Loop? Unable to Reach Support (CV3 Area)

JeanC_2025
Newbie
Private Message TalkTalk
Message 4 of 4

Hello,

Our Full Fibre broadband and TalkTalk landline have both stopped working, and I've been unable to get through to a human agent despite multiple attempts over several days/eves. We're in the Coventry CV3 area.

Fault Symptoms:

  • Router: Orange light flashing in a repeating cycle - approximately 30 regular flashes, then one longer flash (around 2 seconds on), followed by roughly 2 seconds off, then the cycle repeats. This appears to be a 'boot loop'.
  • ONT (wall box): All lights solid green at all times. The Ethernet light briefly goes off only during the router's "off" phase in the cycle (expected, as the router stops responding during restart).
  • Phone: Dial tone present on the handset, but incoming callers cannot reach us - no ringing, calls don't connect.

Troubleshooting Completed:

  • Multiple 20-minute router power-off resets - no change
  • Replaced the Ethernet cable between ONT and router WAN port - no change
  • Power cycled the ONT with router disconnected - no change
  • Line test via My Account - returns error saying test unavailable
  • Called support multiple times - automated system loops back to reset process when no agents are available

Assessment:

The ONT lights being solid green seem to suggest the Openreach fibre connection is healthy. The issue appears to be either a faulty router or a provisioning/authentication problem on TalkTalk's side.

Request:

Could a member of staff please investigate and advise whether this requires a replacement router or a fix at TalkTalk's end?

Happy to provide account details via PM.

Thank you.

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3 REPLIES 3

Message 1 of 4

Hi there

 

@KeithFrench Thanks for helping out:)

 

@JeanC_2025 please try to perform a factory reset as suggested by @KeithFrench.

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KeithFrench
Community Star
Private Message TalkTalk
Message 2 of 4

Hi @JeanC_2025 

 

You could try a factory reset of the router. One way to do this is to press the small reset button by the power connector, whilst the router is turned on. Hold it in for about 10 - 20 seconds or until the light colour changes.

 

If that does not work, then you probably need a replacement router. The full fibre helpdesk is the only team that can assist, as the support staff on this platform currently do not have access to the FF systems.

Keith
I am not employed by TalkTalk, I'm just a customer. If my post has fixed the issue, please set Accept as Solution from the 3 dot menu.
TalkTalk support and Community Stars - Who are they? 

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Philile-TT
Support Team
Staff
Private Message
Message 3 of 4

Hi there @JeanC_2025 please contact the full fibre team using the details below: 

 

Contact Number: 03451720074  

Opening Hours: 

Mon-Fri: 9am-7pm; Sat: 9am-6pm; Sun: closed

 

http://community.talktalk.co.uk/onlinechat

Mon-Fri: 8am-9pm; Sat: 8am-7pm; Sun: 9am-7pm

 

 

 

Phili
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