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SB6141 can't get update - keeps rebooting

  • 26 October 2022
  • 3 replies
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My SB6141 keeps rebooting a few times a day. I’ve called my ISP to make sure it’s not something on their end and they said it looks like the modem is trying to get an update, fails to get it and then reboots.

Once it reboots everything works great. Speed is fine and all lights are normal.

Any advice on how to get the update to finish or cancel the process completely so the modem stays up?

Thanks!

Logs below:

(edit: CM-MAC information removed)

TimePriorityCodeMessageOct 26 2022 08:27:173-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:16:373-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:394-ErrorC701.0DBC-ACK not received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:375-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:363-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:213-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:51:263-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:565-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:565-WarningU103.0Initializing Channel Timeout Expires - Time the CM can perform initial ranging on all upstream channels in the TCS has expired;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:393-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:49:565-WarningZ00.0MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Jan 01 1970 00:00:186-NoticeN/ACable Modem Reboot due to power reset ;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:48:183-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:504-ErrorC701.0DBC-ACK not received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:485-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:483-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:483-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;

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Best answer by SURFboard Moderator 27 October 2022, 20:12

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3 replies

C
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My SB6141 keeps rebooting a few times a day. I’ve called my ISP to make sure it’s not something on their end and they said it looks like the modem is trying to get an update, fails to get it and then reboots.

Once it reboots everything works great. Speed is fine and all lights are normal.

Any advice on how to get the update to finish or cancel the process completely so the modem stays up?

Thanks!

Logs below:

(edit: CM-MAC information removed)

TimePriorityCodeMessageOct 26 2022 08:27:173-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:16:373-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:394-ErrorC701.0DBC-ACK not received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:375-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:373-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 4;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:363-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 08:06:213-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:51:263-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:565-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:565-WarningU103.0Initializing Channel Timeout Expires - Time the CM can perform initial ranging on all upstream channels in the TCS has expired;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:50:393-CriticalR02.0No Ranging Response received - T3 time-out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:49:565-WarningZ00.0MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Jan 01 1970 00:00:186-NoticeN/ACable Modem Reboot due to power reset ;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:00:00:00:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:48:183-CriticalR04.0Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received - T4 time out;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:504-ErrorC701.0DBC-ACK not received;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:485-WarningU102.0TCS Partial Service;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:483-CriticalR08.016 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;Oct 26 2022 07:44:483-CriticalR03.0Ranging Request Retries exhausted;CM-MAC=**:**:**:**:**:**;CMTS-MAC=00:90:f0:50:00:00;CM-QOS=1.1;CM-VER=3.0;

S
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Userlevel 5
Badge +41

Hello chtrich, 

I’d suggest doing a Factory Reset since the issue might be a previous firmware version installed by your service provider. Doing it will ensure that the new version is pushed correctly to the device.

 

To do it, you can follow these steps: 

 

Resetting the SB6141

  1. Disconnect the coaxial cable from the modem. 

    NOTE: If the SB6141 is connected to a router, it is recommended to disconnect the router and connect the SB6141 directly to a computer with an Ethernet cable.
     
  2. Power cycle the modem by disconnecting the power cord for 10 seconds, then reconnect the power cord.

    User-added image
     
  3. Launch a web browser, such as Internet Explorer, Firefox, or Safari.  Enter http://192.168.100.1 into the address box.  The Status page appears.

    Image
     
  4. Click the Configuration link on the top menu.  The Configuration page appears.
     
  5. Click the Reset All Defaults button (as shown below).

     

    NOTE: If the Reset All Defaults button is not present, disconnect the coaxial cable and then power cycle the modem.  
    After the modem is rebooted repeat step 1 -2 and the Reset All Default button is present.


    Image
     
  6. When asked, Do you want to proceed?, click the OK button. 
     
  7. Connect the coaxial cable to the modem.

    NOTE: The initialization process may take 5 to 30 minutes. 
SURFboard Community Moderator Team
C
Rank

Thank you. I tried that, but the problem still persisted. I ended up just getting a new modem since this one is old and doesn’t even support my new internet speed.

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