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user_epynup
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3 Messages

Monday, September 8th, 2025 11:47 PM

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Blink sync module will not connect

I exhausted troubleshooting ideas with Blink and we decided it is an Xfinity/Gateway issue. I have followed several posts here regarding the same issue. I have also tried all of the suggestions here and continue to receive a Connection Failure error. 
Please help as it has been 2 weeks without connection. 
Thanks in advance. 

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22 days ago

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XfinityBenny

Official Employee

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1.4K Messages

6 months ago

@user_epynup Thanks for adding to the community. That is strange, if all other devices work and log on to your network, it may be a setting or issue with the device. Xfinity Stores have modems you can swap for free. Have you reset the modem and the Blink device to factory settings? I have both, and they work perfectly with each other. 

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user_epynup

Visitor

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3 Messages

Thanks for your response. I didn’t know about the free modem swap. I will try that next. The sync module was working previously. For some reason it went offline and I cannot get it to connect back to WiFi. 
I WAS able to get it to connect through my iPhone hotspot, so that’s why Blink told me it was probably a setting in my modem. I am familiar with accessing all the modem settings via the IP address but I couldn’t identify anything that might affected it - but I’m not an expert. 
I also tried splitting the modem between bands. 

6 months ago

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XfinityKassie

Official Employee

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2.4K Messages

 

user_epynup Thank you for the additional details. When you split the network, did you see a temporary network "Blink" something? Are your networks still split, or did you turn it off? 

 

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6 months ago

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user_epynup

Visitor

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3 Messages

The split did not work so I turned it off. I do see the temporary Blink network when I try to connect. But it never connects and I get a connection error that suggests the password is wrong. I can try the split again, but other devices that use 2.4 connect fine as it is. Maybe I need a new Blink module. But it connected via a hotspot so I’m confused. 

6 months ago

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spktomch4

Regular Visitor

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7 Messages

I am also having this issue.  Did you get it resolved?

(edited)

5 months ago

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user_erd8ns

Visitor

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1 Message

23 days ago

I am also having the same issue.  I get the temp blink network but the module will not connect to home network.  Blink said it was the whitelist.  I went through router settings and the device is listed but will not connect. Frustrated.

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EG

Expert

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116.4K Messages

@user_erd8ns 

Please create a new topic of your own here on this board detailing your issue. Thanks. The original poster has not returned. 5-month-old dead thread is now being closed.


For future reference, it is better to submit your own post as it creates a ticket to get help, and posting on someone else's older thread can delay getting help.

I am not a Comcast Employee.
I am a Customer Expert volunteering my time to help other customers here in the Forums.
We ask that you post publicly so people with similar questions may benefit from the conversation.

Was your question answered? Please mark an Accepted Answer!tick

22 days ago

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