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malibuaz's avatar
New Contributor

Motorola Surfboard SB6141 problems

My SB6141 has worked great but just recently started failing with the following errors from the log:

Feb 16 2017 16:48:51 3-Critical R02.0 No Ranging Response received - T3 time-out;CM-MAC=XX;CMTS-MAC=YY;CM-QOS=1.1;CM-VER=3.0;
Feb 16 2017 16:48:49 6-Notice I401.0 TLV-11 - unrecognized OID;CM-MAC=XX;CMTS-MAC=YY;CM-QOS=1.1;CM-VER=3.0;
Feb 16 2017 16:48:49 5-Warning Z00.0 MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=XX;CMTS-MAC=YY;CM-QOS=1.1;CM-VER=3.0;

I don't see a way to upgrade the firmware but that shows up as:

Model Name: SB6141
Vendor Name: Motorola
Firmware Name: SB_KOMODO-
Boot Version: PSPU-Boot(25CLK)
Hardware Version: 7.0
Firmware Build Time: Feb 16 2016 11:28:04 

Cox tech support reset it remotely which made it work for about 10 minutes then back to not working. 

Any ideas would be greatly appreciated.


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  • ChrisL's avatar
    Former Moderator

    I'm not seeing the modem online when I look from here although the rest of your equipment appears to be working still. Are there any cable splitters you can try bypassing and seeing if that works?