Visitor

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2 Messages

Friday, June 12th, 2026 1:12 AM

Daily T4 timeouts, what can I do?

I've worked from home for a year now and xfinity has been very stable up until about a month ago for me. Now at least once a day I'm experiencing a complete loss of connection for multiple minutes. I'm reading the sequence of events in my SB6190 modem's log indicates the modem is losing downstream DOCSIS management information, not struggling to transmit upstream. What can I do about this?

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Official Employee

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814 Messages

1 month ago

Hey there user_px15pq, thanks for reaching out here on the forums! It's definitely odd that you suddenly started getting disconnected after a year of stable service. Does this happen at particular time of day, or does it happen randomly?

 

Visitor

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2 Messages

@XfinitySean​ Thanks for the reply, my logs seem to show it normally happens early morning, like right after midnight to 4AM PDT , but it does sometimes happen between 4-7PM PDT or even around noon, sometimes several days in a row. These mid day disconnections are the biggest problem because I can still be in a meeting.

In the last year a lot of construction has taken place across the street from me, there's several new apartment buildings.

Official Employee

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2.6K Messages

@user_px15pq Thank you for getting back to us.  Totally get how frustrating that is especially mid‑meeting drops.
Your signal levels look good, so this is likely intermittent line/noise outside your home. The timing and construction can also have something to do with it.

 

Are you able to or have you already tried any of the following: 

 

Tighten all coax connections / remove or replace splitters if possible?
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