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New Contributor
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Modem going bad AGAIN?!
I had issues with my internet being really slow.
My modem was showing a very high (in the millions after a day) of uncorrectable codewords on just one channel. I suspected that was why the internet would ** out after a few minutes from the buildup of these codewords. We had a guy come out and said our modem is probably bad.
So we go out and buy the same modem (docsis 3.0 btw) and the problem was resolved. It is now two months later and we are experiencing the same exact issue all of a sudden. Can the modem go bad this quickly???
ChrisL
Former Moderator
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If you're experiencing any connection problems I'd first suggest testing without the router to eliminate as many possibilities as you can. It's possible the signal issues being logged may not have been modem related. It may be time to see about having a technician come out and take a look.
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currytl
New Contributor
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I did have a tech come out three months ago. He said the modem was probably bad as he didn't see any other issues.
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JonathanJ
Former Moderator
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What speeds are you currently getting? Suggest you bypass router reboot modem and log onto cox.com with user ID and password run a speed test http://bit.ly/1p4chU9 just to see if router causing the issues as Christopher suggested.
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currytl
New Contributor
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After I reset the modem and plugged in directly, using the Cox speed test:
92.81 Mbps Download
12.07 Mbps Upload
After about 15 mins:
20 Mbps Download
12 Mbps Upload
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currytl
New Contributor
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currytl
New Contributor
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currytl
New Contributor
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Looks like the slow speeds are correlated to the high number of uncorrectable codewords on channel 117.
Also there seems to be a T3 Time out on the logs whenever I power cycle the modem.
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DerrickW
Valued Contributor
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currytl
New Contributor
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No splitters or amplifiers. Cable goes straight into modem.
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StephanieS
Moderator
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I'd like to schedule a field tech to go out to your home and see what's going on. Please send an email to: cox.help@cox.com with a day that works best for you and a good contact phone number. Please add to the email header that this is regarding a Forums post and scheduling a field technician.
StephanieS
Cox Support Forums Moderator
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