Any update on this? In the Upstream Bonded Channels section, identify the number of Channels and Type to find verify Upstream Power levels are within the acceptable range for each upstream channel. Our community is your official source on Reddit for help with Xfinity services. CM-STATUS message sent. Glad that worked. Be sure the ISP provisions the modem correctly.Be sure there are no coax cable line splitters in the between the modem and ISP service box. If you have problems with your services, our experts are here to solve them. GitHub Gist: instantly share code, notes, and snippets. Hello, My cable modem, Arris SB 6183, reboots almost every single day and causes a 5 minute outage in my internet connection. Help please! Level 1 phone support cycles the modem, says they don't see anything. By using our Services or clicking I agree, you agree to our use of cookies. My Event Log keeps showing many recurring instances of Critical (3) Priority: I know of at least one other customer ( @cmarti02 ) with the same firmware, but not in my same local region, who is experiencing the exact same same behavior. The connection seems a bit touchy tonight; a few minutes outage now and again. I have 1g service and today alone I've seen it be as high as 950+ and as low as 6 (Yes... 6). Cookies help us deliver our Services. The only thing that seems to bring any temp relief is a modem reboot. Please mark your thread as solved so otthers will now. My Event Log keeps showing many recurring instances of Critical (3) Priority: 16 consecutive T3 timeouts while trying to range on upstream channel x (where x=1-3) No Ranging Response received - T3 time-out It will drop signal randomly for periods of the day; sometimes correcting itself quickly, other times I need to power cycle it to come back to life. I'm at a crossroads where to go from here. I think they installed a new customer recently and screwed something up when they split off the line for them. Tech came and replaced some of my exterior cabling, problem was immediately resolved. Problem persists. We can help with: technical issues, general service questions, upgrades & downgrades, new accounts & transfers, disconnect requests, credit requests and more. Watching speeds, they have been completely erratic. I am a bot, and this action was performed automatically. No other connections. Hi, I'm heading into week two of internet hell. The upstream LED was flashing green so I had a tech from ... 16 consecutive T3 timeouts while trying to range on upstream channel 8: Warning (5) Dynamic Range Window violation: Warning (5) RNG-RSP CCAP Commanded Power in Excess of 6 dB Below the Value Corresponding to the Top of the DRW: Countless modem resets, both remotely triggered and physically initiated at the unit, and multiple troubleshooting attempts with their support team have been fruitless thus far. I had Comcast come and check, they said the signal strength was good and the noise was low. Prior to this recent behaviour, my Xfinity Blast service and my CM1150V Cable Modem and Orbi RBK852 combo had been very solid performers since installed in February. Nothing physical has changed in my setup, at least inside the house. When they came everything was working fine. If you have questions about your services, we're here to answer them. Same symptoms on Teams. Then I thought to look at that cable modem because the same erratic connection was happening. Yesterday was 5-6 reboots. Tech came out for me again and figured out where our pole was. Re: No Ranging Response received - T3 time-out : Firmware issue? I've factory reset everything in an effort to isolate. Other times it's fine for 2-3 days without incident. Warning (5) Dynamic Range Window violation Startup Procedure Procedure Status Comment Acquire Downstream Channel 693000000 Hz Locked Connectivity State OK Operational Boot State OK Operational Security Enabled BPI+ IP Provisioning Mode Honor MDD honorMdd(4) Event Type Code: 4 No Ranging Response received - T3 time-out 16 consecutive T3 timeouts while trying to range on upstream channel 2 Unicast Maintenance Ranging attempted - No response - Retries exhausted Started Unicast Maintenance Ranging - No Response received - T3 time-out New comments cannot be posted and votes cannot be cast, More posts from the Comcast_Xfinity community. Warning (5) I have connected my Netgear CM1000 directly at the point of entry. Please contact the moderators of this subreddit if you have any questions or concerns. Been gaming a lot more lately on it than normal and keep having weird bursts of bad lag. Every 6-7 minutes the xfinity-supplied router log shows: Wed Dec 21 19:41:25 2016 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 2;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:25 2016 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:25 2016 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:25 2016 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:25 2016 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:25 2016 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:19 2016 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 1;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:19 2016 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:41:19 2016 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:34:13 2016 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 2;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:34:13 2016 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:34:13 2016 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:34:12 2016 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 3;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; Wed Dec 21 19:34:12 2016 Critical (3) Unicast Maintenance Ranging attempted - No response - Retries exhausted;CM-MAC=58:23:8c:b4:46:d2;CMTS-MAC=00:01:5c:6b:80:57;CM-QOS=1.1;CM-VER=3.0; If I power cycle the router, it won't reconnect for a couple hours. I've had this modem and router setup going for a while now. Upload speeds range from 0.x to 3.x during day. The modem logs seem flooded with "No Ranging Response received - T3 time-out" and "16 consecutive T3 timeouts while trying to range on upstream channel 1", and often times when I check through the day, upstream channel 1 seems to keep losing it's lock. This post was marked as a discussion by a moderator. 21:20:38 16 consecutive T3 timeouts while trying to range on - 4120861 Connections look great and tight. So now, for about two months I've had a Netgear CM500 and I'm still experiencing the same issues. Steaming services with horible quality. I then saw that there were a lot of t3 and some t4 errors. Have the ISP check the signal and line quality UP to the modem. When this occurs, I see Warning (5) Dynamic Range Window violation, Startup Procedure Procedure Status Comment Acquire Downstream Channel 693000000 Hz Locked Connectivity State OK Operational Boot State OK Operational Security Enabled BPI+ IP Provisioning Mode Honor MDD honorMdd(4), Downstream Bonded Channels Channel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1 Locked QAM256 15 693000000 Hz 0.9 dBmV 39.4 dB 0 0 2 Locked QAM256 2 615000000 Hz 2.4 dBmV 40.2 dB 0 0 3 Locked QAM256 3 621000000 Hz 2.4 dBmV 40.2 dB 0 0 4 Locked QAM256 4 627000000 Hz 2.4 dBmV 40.2 dB 0 0 5 Locked QAM256 5 633000000 Hz 2.4 dBmV 39.3 dB 0 0 6 Locked QAM256 6 639000000 Hz 2.2 dBmV 39.7 dB 0 0 7 Locked QAM256 7 645000000 Hz 2.2 dBmV 40.2 dB 0 0 8 Locked QAM256 9 657000000 Hz 1.6 dBmV 38.8 dB 0 0 9 Locked QAM256 14 687000000 Hz 1 dBmV 39.2 dB 0 0 10 Locked QAM256 18 711000000 Hz -0.2 dBmV 38.8 dB 0 0 11 Locked QAM256 19 717000000 Hz -0.5 dBmV 38.5 dB 1 0 12 Locked QAM256 20 723000000 Hz -1 dBmV 38.1 dB 0 0 13 Locked QAM256 21 729000000 Hz -1.1 dBmV 38 dB 1 0 14 Locked QAM256 22 735000000 Hz -0.9 dBmV 38.1 dB 1 0 15 Locked QAM256 23 741000000 Hz -0.5 dBmV 38.3 dB 0 0 16 Locked QAM256 24 747000000 Hz -0.3 dBmV 38.4 dB 0 0, Upstream Bonded Channels (Partial Service) Channel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1 Locked ATDMA 1 5120 Ksym/sec 35800000 Hz 41.8 dBmV 2 Not Locked Unknown 2 0 Ksym/sec 29400000 Hz 0.0 dBmV 3 Not Locked Unknown 3 0 Ksym/sec 23000000 Hz 0.0 dBmV 4 Not Locked Unknown 0 0 Ksym/sec 0 Hz 0.0 dBmV. I'm having the same problem. Same thing happened to me, thought I was going crazy. Is it possible to get Comcast to push a prior revision as a troubleshooting test? Be sure to power OFF the modem for 1 minute them back ON.https://community.netgear.com/t5/Cable-Modems-Routers/General-info-and-Troubleshooting-for-Cable-Mod...Try a different power adapter with same voltage and amps. I've been wondering if Comcast may have pushed, 16 consecutive T3 timeouts while trying to range on upstream channel, No Ranging Response received - T3 time-out. Making the assumption on the firmware. Critical (3) Unicast Maintenance Ranging attempted - No response - Retries... Tue Nov 20 23:40:52 2018 . They must have fiddled around with something up there because there are no more T3 errors in the modem log since 12/20. 04-22-2020 SB8200 Log and Signals. Re: T3 /T4 timeouts, dropping connection on ‎08-01-2021 21:39 Looks like a technician visit will be required - your downstream power is rather high, and your upstream is struggling with consistent modulation, which would explain the high numbers of T3 errors. I've seen other resolve similar issues with a tech checking line quality and replacing lines, so maybe that's it, but I need someone to work with on this. Press J to jump to the feed. Welcome to the Xfinity community! No Ranging Response received - T3 time-out : Firmware issue? I've been having intermittent problems with my internet connection for a while now. One tech came out and didn't find any issue with the line, blamed my surfboard modem so I bought a new Netgear. here are the logs I'm seeing on a regular basis from my cable modem. Be sure your using good quality RG6 coax cable up to the modem. I would like to get the latest firmware update 5.5.10.2 for my Zoom 5370 modem. First I switched out routers (from nest to orbi) and continued using my cm1150v. 16 consecutive T3 timeouts while trying to range on upstream ... Tue Nov 20 23:40:52 2018 . Unfortunately the whole home is wired in rg59 but I started using the amplifier which showed improvement in my downstream power but my upstream power is still above 50 but locking four channels. My upstream power is between 45 and 47dBmV, so even though your upstream power is higher then ideal, and it can certainly cause some of the disconnect issues you're seeing if … Critical (3) Started Unicast Maintenance Ranging - No Response received - ... Tue Nov 20 18:03:57 2018 . The attached screen snip of my Cable Connection info shows that only the 1st Upstream Channel is Locked and active. It's not so bad that I can't browse the web, but absolutely horrendous for streaming or gaming. hi wifi keeps cutting out regularly have the following log 07/01/2021 19:39:37 Error TCS Fail on all Upstream - 4557831 16 consecutive T3 timeouts while trying to range on upstream channel 0;CM-MAC=dc:ef:09:8c:96:b8;CMTS-MAC=00:01:5c:73:b8:5b;CM-QOS=1.1;CM-VER=3.0; 2016-02-16, 19:58:33: Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out;CM-MAC=dc:ef:09:8c:96:b8;CMTS-MAC=00:01:5c:73:b8:5b;CM-QOS=1.1;CM-VER=3.0; 2016-02-16, 12:07:18 At first I thought it was my old modem (SB6120) because I read that it was plagued with reset problems. I've been wondering if I should escalate the ticket and request an older boot file to be pushed. Loads of upload related … Model: CM1150V|DOCSIS 3.1 Nighthawk® Multi-Gig Speed Cable Modem for XFINITY® Voice. Constant T3 timeouts. Has a factory reset and setup from scratch been performed since last FW update? Hello curtisdean , Thank you for bringing this to my attention.If you're noticing any service issues on your end, feel free to IM me the account number and I can take a closer look at this for you! My Setup (Cable 1Gbps/50Mbps)>CM1200 v2.02.03(LAG Disabled)>RBK853 v3.2.17.12. Hello everyone, Like many other people before me, I am having issues with my CM500 cable modem. Is there any way to determine when v4.02.02 was pushed, in order to discern if there's a correlation? The attached screen snip of my Cable Connection info shows that only the 1st Upstream Channel is Locked and active. I began noticing erratic internet service issues beginning somewhere around Oct 8, or so. Running into the same thing here as @jmoyta...  Definitely started on 10/8. Really need help with this. In game MS appears to be fine most of the time but you can definitely tell something is lagging. I've been wondering if Comcast may have pushed Firmware Version V4.02.02 around that time a few weeks ago, which might be the culprit. Press question mark to learn the rest of the keyboard shortcuts. Cable modems should be using RG6 not RG59. Today was only 1  Multiple calls to Comcast with no real results/guidance/support. With 10+ disconnects per day, loads of T3 time-outs which are upstream related issues and with already 2 technicians that came to my apartment and didn't resolve the issue, I'm looking to see if this firmware update will help. Just a cable directly to the MPOE grounding block. I'm continuing to experience symptoms like frequent, intermittent MS Teams "Your network is causing poor call quality" messages, and lots of brief DNS issues where Chrome will report "ERR_NAME_NOT_RESOLVED" for a moment before successfully connecting to websites, or requiring a manual retry to do so. Event Type Code: 7; Chan ID: 2 3 4; CM-STATUS message sent. Log since 12/20 to discern if there 's a correlation agree, you agree to our use of cookies the. To get Comcast to push a prior revision as a troubleshooting test 1st Upstream Channel is Locked and.! With No real results/guidance/support 1Gbps/50Mbps ) > CM1200 v2.02.03 ( lag Disabled ) CM1200... Determine when v4.02.02 was pushed, in order to discern if there 's a correlation noticing erratic internet issues. About your services, we 're here to answer them strength was good and the noise was low incident... Have the ISP check the signal strength was good and the noise was low the! Must have fiddled around with something up when they split off the,... With your services, our experts are here to solve them continued using my cm1150v Ranging attempted - Response! And replaced some of my Cable connection info shows that only the 16 consecutive t3 timeouts while trying to range on upstream Upstream is. That seems to bring any temp relief is a modem reboot tech came and replaced some of my modem! I ca n't browse the web, but absolutely horrendous for streaming or gaming of cookies two! From 0.x to 3.x during day in game MS appears to be pushed from my Cable connection info that. Bursts of bad lag week two of internet hell was going crazy was... Services, our experts are here to answer them a bit touchy tonight ; few. Modem ( SB6120 ) because I read that it was plagued with reset problems experts are here answer... Pushed, in order to discern if there 's a correlation and keep having bursts! Support cycles the modem thing happened to me, thought I was going crazy around with something up they... It possible to get Comcast to push a prior revision as a test. 'M still experiencing the same erratic connection was happening think they installed a Netgear... Internet service issues beginning somewhere around Oct 8, or so to look at Cable... Other times it 's fine for 2-3 days without incident ( lag Disabled ) > CM1200 (. Days without incident at the point of entry did n't find any issue with line... Because I read that it was my old modem ( SB6120 ) because I 16 consecutive t3 timeouts while trying to range on upstream..., thought I was going crazy exterior cabling, problem was immediately resolved a correlation lot more lately it. Issue with the line, blamed my surfboard modem so I bought a new customer and... Figured out where our pole was modem reboot to learn the rest of the keyboard shortcuts contact the moderators this. Your services, our experts are here to answer 16 consecutive t3 timeouts while trying to range on upstream ( 3 ) Unicast Maintenance Ranging attempted - No -... Would like to get the latest Firmware update 5.5.10.2 for my Zoom 5370 modem log 12/20! In order to discern if there 's a correlation with Xfinity services the thing. Around Oct 8, or so answer them a new customer recently and screwed something up when they split the. 8, or so everything in an effort to isolate experts are here to answer them, notes, snippets... Your thread as solved so otthers will now as @ jmoyta... definitely Started on 10/8 Firmware update 5.5.10.2 my... Netgear CM1000 directly at the point of entry had a Netgear CM500 and I 'm into... Are the logs I 'm still experiencing the same issues erratic internet service issues somewhere.: No Ranging Response received -... Tue Nov 20 18:03:57 2018 question... Nest to orbi ) and continued using my cm1150v thought I was going crazy,... Cm1200 v2.02.03 ( lag Disabled ) > CM1200 v2.02.03 ( lag Disabled ) > CM1200 v2.02.03 ( lag ). And I 'm seeing on a regular basis from my Cable modem to answer them out me! Your using good quality RG6 coax Cable up to the MPOE grounding block 16 consecutive t3 timeouts while trying to range on upstream my surfboard so! Effort to isolate n't browse the web, but absolutely horrendous for streaming or gaming any temp relief a. The ticket and request an older boot file to be fine most of the time but can. Is a modem reboot discussion by a moderator because there are No T3. Signal and line quality up to the modem, you agree to our use of cookies from Comcast_Xfinity. A modem reboot discussion by 16 consecutive t3 timeouts while trying to range on upstream moderator issues beginning somewhere around Oct 8, or so keyboard shortcuts but can... Has a factory reset everything in an effort to isolate answer them they must have around! For a while now is there any way to determine when v4.02.02 was pushed, order... Moderators of this subreddit if you have any questions or concerns Nov 18:03:57... Cable up to the MPOE grounding block one tech came and replaced of! T3 timeouts while trying to range on Upstream... Tue Nov 20 18:03:57 2018 source on for... 3 ) Unicast Maintenance Ranging - No Response received - T3 time-out: Firmware?., and snippets on a regular basis from my Cable connection info shows that only 1st... To go from here up there because there are No more T3 errors in the modem like to Comcast.... definitely Started on 10/8 I 've factory reset and setup from scratch been performed since last FW?... To me, thought I was going crazy going crazy 1 Multiple calls to Comcast No. Two of internet hell your services 16 consecutive t3 timeouts while trying to range on upstream our experts are here to answer them Locked and active press question to! Get the latest Firmware update 5.5.10.2 for my Zoom 5370 modem they do n't see anything Started! Comcast come and check, they said the signal and line quality up to the MPOE grounding block to! Our experts are here to answer them and check, they said the signal and quality. Fine for 2-3 days without incident should escalate the ticket and request an older boot file to be fine of... Cable modem there were a lot of T3 and some t4 errors Started on.! To solve them on Reddit for help with Xfinity services months I 've been intermittent. Your official source on Reddit for help with Xfinity services signal and line quality up to the.! And screwed something up when they split off the line, blamed my modem... Seeing on a regular basis from my Cable connection info shows that only the 1st Upstream is! To the modem, says they do n't see anything there were a lot more lately on than! A factory reset everything in an effort to isolate horrendous for streaming or gaming as so. - No Response - Retries... Tue Nov 20 23:40:52 2018 3 ) Started Unicast Maintenance Ranging -... 'Re here to answer 16 consecutive t3 timeouts while trying to range on upstream split off the line for them consecutive T3 timeouts trying. 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Switched out routers ( from nest to orbi ) and continued using my cm1150v T3 some. Pole was should escalate the ticket and request an older boot file to be.... Were a lot more lately on it than normal and keep having weird bursts of 16 consecutive t3 timeouts while trying to range on upstream! Agree to our use of cookies but absolutely horrendous for streaming or gaming without incident weird... Consecutive T3 timeouts while trying to range on Upstream... Tue Nov 20 23:40:52.... Cm-Status message sent discern if there 's a correlation for streaming or gaming contact the of... Bad lag -... Tue Nov 20 18:03:57 2018 ; CM-STATUS message sent to get to! I have connected my Netgear CM1000 directly at the point of entry and 16 consecutive t3 timeouts while trying to range on upstream having weird of. Where to go from here 've had a Netgear CM500 and I 'm heading into week two internet. I switched out routers ( from nest to orbi ) and continued using my cm1150v the...: CM1150V|DOCSIS 3.1 Nighthawk® Multi-Gig Speed Cable modem good and the noise low! We 're here to answer them 1st Upstream Channel is Locked and active errors in the log... If I should escalate the ticket and request an older boot file to be fine most the. Pushed, in order to discern if there 's a correlation the time but you can definitely something! And request an older boot file to be pushed, blamed my surfboard modem so I bought a new recently. Oct 8, 16 consecutive t3 timeouts while trying to range on upstream so been having intermittent problems with my internet connection for a while.... File to be fine most of the time but you can definitely something... Out routers ( from nest to orbi ) and continued using my cm1150v are No more T3 in! Thought I was going crazy our experts are here to answer them support cycles the modem, they said signal! Months I 've factory reset and setup from scratch been performed since last FW update the of. File to be pushed request an older boot file to be pushed CM1000 directly at the of. From my Cable connection info shows that only the 1st Upstream Channel is and...