Comcast t3 errors. For immediate assistance, check out the Xfinity Assistant.


Comcast t3 errors Thank you @EG for escalating, very much appreciated! (Edited: Due to grammar) Jan 11, 2022 · Instead, type "Xfinity Support" there. And just today, I got a random "TLV-11 unrecognized OID" after a modem reboot. Even when it's working, I only get 6. Searching here seems to indicate T3 errors are upstream problems, but below is my snapshot. As of June 6 2023 I have been experiencing T3 errors on my Netgear Cm700 with Comcast. For the first hour and a half nothing had popped up. Type your message in the text area near the bottom of the window; Press Enter to send it. This morning I am seeing; Started Unicast Maint Now on to the boring stuff. Nov 27, 2024 · Hi - I have ongoing issues with drop out, slow connection etc. Feb 25, 2022 · A couple of months ago I replaced my old reliable CM600 with the CM2050V so I could make full use of my 900Mbps plan. So it reads many errors when there really aren't. An "Xfinity Support" graphic replaces the "To:" line. I'm sorry to hear that you're experiencing recurring T3 timeouts and that it's impacting your internet service. As of yesterday, 6 techs have been to my house to troubleshoot. A "Xfinity Support" graphic replaces the "To:" line. The event log for my modem is full of T3 timeouts as well as other "critical" notes that appear to be related to high power levels. Started again, randomly, over the next week. I have to restart my modem 1-15 times a day. I’m still convinced the problem lies with the app but I managed to get functioning internet service this way. I haven't had this problem before and I have tried everything I could think of from changing settings, checking wiring and reseting/factory restoring the router. But after 2 hours…bam I’m getting T3 Timeouts. Thank you for joining us here on r/Comcast_Xfinity, your official source on Reddit for help with Xfinity services. Aug 12, 2020 · FWIW, there is a known glitch with some makes / models of modem's firmware where the measuring mechanism incorrectly reads the power level, the SNR, and the bit errors for that channel. MB8611 event log caught it at 11:52:37 Tue Feb 1 Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. 24/7/365, every 5 minutes or so. Instead, type "Xfinity Support" there - As you are typing a drop-down list appears. Since then, I have noticed that over the 32 Bonded Channels that I'm get Feb 9, 2024 · Reaching out to Comcast support seems pointless as when I told them the tech said the signals were good, but I'm still seeing errors in the logs, they asked if I wanted another tech sent out. 5-45) and Power (5. Jan 17, 2025 · Both modems were ordered brand new, both arrived sealed in factory packaging, both are DOCSIS 3. 0;CM-VER=3. In looking at the channels, the power currently varies from 4. After some digging, I discovered that my modem is throwing a tremendous amount of T3 and T4 errors. My signals have improved and I have seen zero uncorrectables and zero correctables on the modem status page. Apr 1, 2022 · #7 Contact The Xfinity Tech Support Team. I had new coax put in from the street to my house, and in my house as well. The power levels on the upstream are too high. If replacing the line helps, it may have been a cut in Hi ever since I purchase this service, I have been seeing T3 time-outs for a few hours every week or some times a few errors in a month, which causes a loss of connection. I no longer work for Comcast. Some research into this seems to indicate an upstream signal issue which my power level seems a little low at 36 dBmV. After 3 years off and on, it certainly didn't fix itself. Only one connection (to extend the cable) in the house (that was checked/replaced by Comcast. One of my clients' websites has been blocked by the "Advanced Security" feature which is on by default in most Xfinity home networks. Press Enter to send it Jul 10, 2023 · I sent my Motorola MB8611 modem logs to Motorola who confirmed T3 and T4 timeouts, and said it’s an Xfinity issue. So it seems to be a very clean Apr 6, 2018 · I have been getting 1~3 connection drops recently throughout the day. Everything works fine except when I'm accessing via Comcast/XFinity with Advanced Threat Protection enabled, with a VPN turned on it also works fine. Jan 28, 2020 · I am concerned that this is a sign of a pending problem. Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. No joy. At this point I’m quite fed up with Xfinity because after so many tech visits and so called ‘repairs’ nothing has seemed to fix my issue. When I have a two-way splitter from the tap running directly to my cable modem, my 4 upstream channels were 52-53 and downstream channels are is high 8's/low 9's. On the event log page, I see t3 timeouts a few times a day. 8 & 56. ) All outside connectors (the box and the ground wire and the cable to the pole and the connector at the pole) were replaced by Comcast. 3 days ago · FTD Hello and thank you for reaching out to Xfinity via our Xfinity Community Forums. As members of the Digital Care Team here at Xfinity, we can help with a wide array of concerns including troubleshooting, billing, plan changes, and more. (I even replaced the modem with a rugged Arris TM822G. We can help with technical issues, general service questions, upgrades & downgrades, new accounts & transfers, disconnect requests, credit requests and more. T3 and T4 errors have always been problems with lines or boxes outside of the residence (as I've stated), and it took almost a dozen calls each time (3) to get them to come out and just inspect the lines and boxes. I'm sorry to hear you're not getting the expected internet speeds, especially after having multiple tech visits. T3 and T4 timeouts are described in much more detail elsewhere in this blog, however this post provides a high level overview of the various timeouts ESP32 is a series of low cost, low power system on a chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. ) Constant RCS partial service errors leading to being disconnected from whatever I'm doing. What is the meaning of “No Ranging Response Received – T3 Time-outs” Feb 25, 2022 · No Ranging Response received - T3 time-out; Mon Feb 28 10:59:38 2022 (Notice (6)) CM-STATUS message sent. I was using a Netgear CM500 modem when the errors started and could usually resolve the issue by unplugging everything from the modem and restarting it. The spikes in power levels don't seem to always coincide with connection disruptions. The issue remained. UPDATE 1 - So last night we had to go to Costco and I picked up a new CM1100 modem (Broadcom chipset) to test the theory of it being the modem with a faulty chipset per u/Nathan0093 's advice and I am still getting the same amount of T3 errors, if not more. Similar to the original post I am experiencing multiple droppages a day every day. As you are typing a drop-down list appears. No splitters. The ESP32 series employs either a Tensilica Xtensa LX6, Xtensa LX7 or a RiscV processor, and both dual-core and single-core variations are available. I see the following message in the event log after the modem comes back up: No Ranging Response received - T3 time-out;CM-MAC=[REDACTED];CMTS-MAC=[REDACTED];CM-QOS=1. Mar 3, 2020 · Using the XFINITY My Account mobile app. I went back to the logs today after it briefly came online and captured these - lots of sync and T2/T3/T4 errors. Click "Sign In" if necessary; Click the "Direct Message" icon (square chat icon in the upper right corner of your screen next to the bell icon) Click the "New message" (pencil and paper) icon; Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list Business, Economics, and Finance. You should have a tech come and inspect your wiring, splitters, and drop. I posted on this group and the xfinity community forums and got no help. Without an explanation why there are now fewer errors, I can't believe that this issues is fixed. I log counters hourly and I am seeing a rate of about 100 correctable errors / hr. I have had 2 T3 errors, both in the middle of separate nights - could be some network tweaking, I remember seeing T3's on mid-stream with the 2050V before it was pulled, so something to watch out for. I would be happy to take a closer look at your network connection with you and see how we can help with this service concern. Like others, I see intermittent T3 time-out errors in the logs -- they come in bunches at different hours of the day, but they don't always corr Have Wave Broadband. Each time I call customer support, the 'solution' they recommend is to connect to xfinity wifi hotspots. Sep 15, 2023 · If you run into the Xfinity No Ranging Response Received Error, also known as the T3 timeout, ensure that all the connections are direct and use a minimum number of splitters. 0) are fine on all channels, logs are otherwise clear. When it is working, my upstream sits at about 38. With the typical reasons behind the no ranging response received – T3 time-out in mind, go through the following methods one by one to fix the issue: #1 Look for Maintenance Activities or Service Outages Feb 25, 2022 · So after a few days now, since replacing the Comcast installed CommScope 2 Way splitter from 5-6 years ago with a brand new splitter (Extreme Broadband) I haven't had any Uncorrectables or T3 Errors . Now, it's back for the past 11 days and Comcast can't figure out what is causing it. Sep 4, 2024 · Hello @erikm1, Thanks so much for taking a moment out of your day to leave a post on our community forum. Been working fine, then in the last couple of weeks there have been a lot of dropout in the internet. Aug 12, 2020 · These issues just seem to continue to get worse. Once I restart the modem Learn to troubleshoot common error codes. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. Feb 25, 2022 · But I still get Uncorrectables and T3 Errors each day for the past several week. (Arris SB6190. Last but not least, you can get in touch with the support team at Xfinity. T3 critical errors indicate that the problem is a CMTS communication issue back Xfinity, with the intermittent problem likely at the street. Instead, type "Xfinity Support" there. I have a MB8600 in place and I'm getting consistent dropouts all day every day. Calling 1-800-COMCAST (1-800-266-2278) or 1-800-XFINITY (1-800-934-6489) If you've registered your mobile phone number for Comcast Alerts, you can text OUT to 266278 (COMCST) Sep 2, 2024 · Internet keeps dropping over 10 times a day. • Select "Xfinity Support" from the list. Around 5 different Comast techs have visited & tried to fix this; the first three said they couldn't see anything wrong, and one of the other two replaced a faulty splitter thinking it would help. My modem reboots constantly, sometimes multiple times an hour. They’ll guide you through basic troubleshooting. I'd like to get to the bottom of this. I understand how frustrating it can be to have internet connectivity issues, especially when you pay for Gigabit Pro speeds. All of last week, while I was trying to work from home, my download speeds kept dropping significantly. Sep 18 2021 13:18:22 Critical (3) No Ranging Response received - T3 time-out Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. The Comcast techs didn't care about the upstream levels coming in being on the high side b/c their technically w/in Comcast's specs so I purchased a Channel Vision C-0300 Return Path Amplifier, which immediately dropped my upstream into spec. Event Type Code: 7; Chan ID: 4; Mon Feb 28 10:59:35 2022 (Critical (3)) No Ranging Response received - T3 time-out: Mon Feb 28 10:59:18 2022 (Critical (3)) 16 consecutive T3 timeouts while trying to range on upstream channel 3; Mon Feb 28 Aug 11, 2020 · I'm having short but annoying intermittent outages. Hi Comcast_Xfinity. Spoke too soon about the shenanigans being over for the day. Any/All help would be appreciated. I have a Netgear Nighthawk CM3000 modem, which is brand new. Aug 11, 2017 · Visiting the Xfinity Status Center . I have 1G/30m. • Type your message in the text area near the bottom of the window • Press Enter or tap the > icon to send it any of those platforms will be able to assist. Select "Xfinity Support" from that list. Putting the modem in the basement with a direct, less than 10' connection to the outdoor grounding block didn't improve things. Oct 4, 2024 · The "To:" line prompts you to "Type the name of a person". 1 modem to fix T3/T4 timeouts, and need to get a technician out, at risk of him not finding anything It has been nearly a month later still constant t3 times outs, No Ranging Response received errors, Ranging Request Retries exhausted errors. - As you are typing a drop-down list appears. Sep 17, 2024 · Cable Modem Issues - T3 Timeout & Failed to acquire QAM/QPSK symbol timing, Uncorrectable Codeword Errors I have xfinity gig extra plan. Jan 2, 2017 · I have Comcast Cable Internet. The Xfinity reps claimed there have been SRO’s and that one was scheduled yesterday. Often the best I can get is a "we're having trouble connecting to the X1 platform" or similar message and I end up "stuck" on a single channel. So now I'm trying this. I am including a partial copy of my errors log. I have been keeping a tab on the event log for the modem and it hasn't been presenting any errors that I saw prior to today, it gave me a T3. Select "Xfinity Support" from that list - An "Xfinity Support" graphic replaces the "To:" line . Oct 20, 2024 · The T3 and T4 errors went away. I don’t know if you have a newer bootfile for this brand new model (also recently released) that could address these errors. I do not have an issue with speeds, my only concern are the T3/T3 timeouts. Fast forward a few weeks and within the last 2 days the internet has dropped out at least 3 times. If you could send our team a direct message with your full name, the name listed on the account (if different), and the service address associated with your account, I'd be more than happy to look into this for you. Thursday and Friday (so far) there were only four t3 errors, no modem reboots and nothing else in the logs. Jul 25, 2020 · I added the splitter back since I need it for cable, and immediately I had consistant T3 errors. We chatted casually for a bit and they let me know to screenshot all those T3 errors next time if it comes up again but they do believe the problem is resolved. Hi Team - over the last two days, I've been getting new errors showing up in my modem logs labeled "Diplexer_Mode_Change", or "Diplexer_Mode_Change_Ignored". The bit errors are really pretty low on the QAM256 channels. Power cycling the modem will eventually bring it back. May 4, 2023 · So a few months back I was getting T3 errors on a Netgear modem/router combo and my speeds were abysmal (I'm paying for 400 Mbps but was getting 10 or below). Its super frustrating. Modem is an Arris S33. Once the restart has completed and I am reconnected, the connection is stable for another 2 hours. io with http protocol. - An "Xfinity Support" graphic replaces the "To:" line. The Xfinity aerial service drop that comes to the house is 40+ years old so technology has passed it by. Techs are not RF engineers and can only go by what their meters tell them, so they don't see things like receive power levels or the like. Crypto Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. I have been experiencing "Critical (3) No Response received - T3 time-out" errors for some time. Modem is Arris SB8200 with latest firmware (has a 193 in the version string). 0 Cancel Post I posted this in the Comcast subreddit but did not receive much response beyond the mods. Typically, T3 conversations go like this: You describe the time-out message and its frequency. I will again crawl under the house and recheck the check to my splitter connection and clean the center conductor. I have been getting T3 errors for about the last 4-6 weeks. Someone mentioned in another post they could be upgrading the Comcast infrastructure in my area due to the errors. For immediate assistance, check out the Xfinity Assistant. As members of the Digital Care Team here at Xfinity, we can help with a wide array of concerns including troubleshooting, billing, plan changes, and more. Thank you for making us aware you're still experiencing T3 timeouts even after troubleshooting on your own. When the VPN is turned off then I get a Website Could Not Provide a Secure Connection and when I hit enter in the address bar then I get redirected to Safebrowse. I don't have any splitters, and upgraded a single 2ft coax cable from wall to modem, without success. Comcast tech (level 2) came out last weekend and changed a splitter that he said should be different (originally installed by Comcast. Would uploading too much cause T3 timeouts? Any advise to solve this issue? Jan 3, 2025 · On the modem logs, I'm seeing errors for T3 Time Outs, Started Unicast Maintenance Ranging - No Response received errors during the times of experiencing issues. Jun 2, 2020 · All in house connections where checked by Comcast tech. I'm getting lots of packet loss and late packets now too, and my modem log shows I'm getting a lot of T3 Time-outs. Apr 16, 2024 · There are never any uncorrectible errors on the modem page, and in a week there will be about 10-15 correctible errors on about 10 downstream channels. Looking at the log on my modem I get numerous issues reported. Mar 4, 2024 · Upstream light on Motorola MB8611 started blinking, around Feb 6th. I was physically noticing erratic signal strength throughout the day. 0; Mar 9, 2023 · Now getting all sorts of new errors in the logs. Comcast does not charge for service appointments to repair Comcast-owned facilities or equipment rented to you by Comcast. Modem log gives "No Ranging Response received - T3 time-out" errors I have the "Extreme 105Mpbs" plan, internet + tv. I check it w few times a day/night. This sounds familiar. There could also be an issue with the signal coming from Comcast's end. Jun 24, 2011 · DOCSIS T1, T2, T3 and T4 Timeouts This is a handy summary of the various DOCSIS T1, T2, T3 and T4 timeout errors you will find in a DOCSIS network. 6 - 5. I rebooted the modem 15 minutes ago to clear out all the errors. Type your message in the text area near the bottom of the window; Press Enter to send it Posted by u/mnemoseck - 1 vote and no comments Jul 19, 2020 · After switching, T3 errors became so common that I had no internet access.   Some days will fine, with no outages, and th Feb 23, 2023 · There were many T3 timeouts/ranging errors. However, charges may apply for service appointments when the source of your service problem is not Comcast-owned facilities or equipment rented to you by Comcast. 16 consecutive T3 timeouts while trying to range on Thank you for joining us here on r/Comcast_Xfinity, your official source on Reddit for help with Xfinity services. Mar 8, 2022 · • Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list • Type your message in the text area near the bottom of the window • Press Enter to send your message. Techs changed connectors and checked the tap, said everything’s fine and blames me for uploading too much and it’s too much for their system to handle. I am a bot, and this action was performed automatically. Jun 17, 2023 · Critical T3 errors - No ranging response received I've upgraded to gig internet and my US/DS lights won't stop blinking. The event logs show T3 timeouts, one Comcast tech over the phone said that my modem would lose its IPv4 address during these moments, etc. I even got a message on my app saying there’s a known network issue. Hoping someone here may had a similar issue. My levels were right around 0 dBmV, and I still had near-daily T3 errors. Tech scheduled for Monday, but I'm sure I'll get the standard everything looks good. On my MG8702, I receive “No Ranging Response received - T3 time-out”. Type your message in the text area near the bottom of the window Press Enter to send it We have made changes to keep employees safe so response and call times may be longer than usual. They also anecdotally told me modems are a factor too and Motorola tends to have more issues than Arris/Surfboard. Oct 22, 2022 · ​For the past ≈36 hours I've been getting random disconnects that last anywhere from a few minutes to a few hours, with the event log calling out T3 time-outs on Started Unicast Maintenance R Have Internet, VoIP, TV service; the only recent change (several months ago) was speed upgrade from 300 to 1Gb, has worked flawlessly for months. Since then, I have noticed that over the 32 Bonded Channels that I'm getting al Aug 6, 2024 · On Xfinity modems I receive errors “DHCPv6 - Missing Required Option 82 & 24”. As you can see in my stats below, power levels are good, errors are ZERO! It looks a lot like the CM2000 or CM2050V in power and SNR levels. The router is a MG7540 and its about 4 months old. Sep 17, 2023 · Make sure you are signed in here in the Xfinity Forum. During these repeated errors, I am unable to use the internet or the internet is extremely slow. Recent heavy storms in the south seem to have prompted the recent drops. MAC info replaced with NULL: Here are the channel values a little after the modem rebooted itself. Also, consider using a Forward and Return Path Amplifier instead. Jan 28, 2017 · Does anyone happen to know what could be causing these MDD Message timeouts along with T3 timeouts? It happens at night until early morning it seams. 5 out of the 10 Mbit upload internet speed and get multiple T3 Errors every few minutes as well as only one bonded . Cable Connection Frequency start Value. Also, Speedtest. I am not using a VPN when these issues occur. Jun 6, 2023 · I see the T3 time-out every 2 hours, which causes a loss of connection. What that means, basically, is that something between my modem and my provider is fussing everything up, my modem can't talk to Comcast, and is rebooting the channels to try and recover. Oct 24, 2024 · Answers to previous posts found say DM support, don't see that option. Apr 1, 2022 · Comcast Xfinity No Ranging Response Received – T3 Time-Out: How To Fix. 6 days ago · I am willing to work with Xfinity and pay to replace wiring in my home if necessary, but need them to meet me halfway and stop dismissing the issues with my service. I have Ch49-52 locked with transmit power ranging from 40-43 dBmV. Oct 1, 2024 · Connectivity issues with SB8200: millions of errors on the status page and errors all over the event log So my modem was working fine, but back when the plans all got upgraded I started experiencing intermittent drops throughout the day with T3 and T4 timeouts that last for a few minutes at a time. I've had this new CM2050V for a few months, and this problem just recently started. I didn’t have any level 3 critical errors or T3 errors, but constant dynamic range errors, code 16/24. Type your message in the text area near the bottom of the window . Instead, type "Xfinity Support" there • - As you are typing a drop-down list appears. Aug 15, 2023 · Here is a correct event log. x range, and there's a slow but steady rate of correctable and uncorrectable errors. Visiting the Xfinity Status Center. When it doesn't work, I get the same T3 Ranging Response errors and an upstream of 57. Jan 19, 2024 · I am having a similar experience. I ran new cable from the box, checked/replaced all f connectors and splitters. I have checked that the connections to the modem are secure and there are no inline splitters. The power levels are down quite a bit and the signal to noise ratio look good. Sync Time synchronization failures and all sorts of other critical errors. 1 capable, both are listed as compatible with the Next-Gen Speed tier, and both of them recorded several T3 timeout errors in their internal system logs. They happened in August 2018, August 2019, and now June 2020. They would start at 9am and end around 8pm cst. 3dbmv). Oct 3, 2024 · The connections are all tight, even the new ones on the outside. And to give some more context I was also having these issues last year at the same time frame beginning of June ending near the end of August. Hi, I've had 2 techs out and the issues persist: dropping internet, no internet, no IP address when I hardwire (skip router), 2 different routers… May 26, 2021 · Comcast controls the lines and connection to my modem. 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… Dec 10, 2024 · Started Unicast Maintenance Ranging - No Response received - T3 time-out -- every day The event log shows "No ranging response received - T3 timeout" errors a few times a day since at least July 1, with "RCS Partial Service" occurring typically around the same time. I have uploaded a recent log of t3 errors. Lost MDD errors. I'm using a Netgear CM1200 and reviewing the logs, I see frequent T3 (mostly) and T4 errors. Sounds like I don't need a DOCSIS 3. 6, SNR is in the 40. Been having T3 timeouts and causing my Twitch stream unstable and stutters. Regards, RDK-03033 errors with substantial slowdowns in internet speeds and cable that will play my subscribed channels, but is very slow or completely unresponsive to remote control. Unfortunately my wife and I have stopped tracking the times as they are well over a dozen a day at this point. ) The issue has been worse this week. I still get the full 200 Mbit down. Over and over. I've just been living with it for months. That can cause random disconnects, spontaneous re-booting of the modem, speed, packet loss, latency problems, and the un-bonding of channels. I have tried disconnecting all devices overnight and checking logs, the problem persists when nobody is using the internet. Downstream of -7 (nearly out of spec) and upstream of 48 (not awful but still somewhat high) combined with T3 errors means your modem is having trouble communicating with the CMTS. ) Jul 7, 2018 · I'm new to the business side of Comcast, but I'm already struggling with my internet service. "16 consecutive T3 timeouts while trying to range on upstream channel" and "Started Unicast Maintenance Ranging - No Response received - T3 time-out" and "Unicast Maintenance Ranging attempted - No response - Retries exhausted" These three errors. I am both an Xfinity customer and a web developer. Mar 31, 2024 · Type "Xfinity Support" in the "To:" line and select "Xfinity Support" from the drop-down list which appears. Since then, I have noticed that over the 32 Bonded Channels that I'm getting al I have very small number of correctible errors over 5 days (5 channels have 10-15 errors, 22 have 1-2, 2 have under 10), no uncorrectible errors at all, SNR (44. Upstream TX power is a bit low as per the Arris specs, but seems to be in line with Comcast specs. Jan 20, 2013 · On the Event Logs I can see that the cable modem has many T3 timeouts errors, that means that the modem sent messages without receiving a message in reply from the ISP CMTS. Nov 10, 2024 · @user_1bqas4 I returned my modem and got new equipment, then I had the Xfinity tech support people do the whole setup remotely and it worked. Currently having a similar issue I've seen posted on Comcast's site with the MB8611, where the modem will report SYNC Timing failures followed by a T3 timeout which causes a complete loss of connection until the modem reconnects. 0-7. Select "Xfinity Support" from that list • - An "Xfinity Support" graphic replaces the "To:" line • Type your message in the text area near the bottom of the window • Press Enter to send it Jul 18, 2023 · The "To:" line prompts you to "Type the name of a person". the last time a tech was here, he installed a new Rg11 drop cable to the tap. Before I had a CM600 and it hardly ever had any errors. I had posted in January regarding issues with T3/T4 timeouts causing droppages in my internet (Original Post). The "Xfinity Support" graphic replaces the "To:" line Type your message in the text area near the bottom of the window Jan 11, 2022 · Motorola graciously replaced the modem in case some thing was unexpectedly wrong with the one I originally purchased. A tech came and checked things out, an Definitely some issues here. These are the errors along with other pertinent info: No Ranging Response received - T3 time-out. I contacted Xfinity again and the rep went through all the same troubleshooting steps, but ultimately was unable to do anything and had to send a tech out. This is the current signal: Checking the logs, I also get a lot of these errors: Started Unicast Maintenance Ranging - No Response received - T3 time-out SYNC Timing Synchronization failure - Failed to acquire QAM/QPSK symbol timing Which from looking online, can be from the high upstream it seems. The T3 errors are gone and so far there are no uncorrectables. Jun 16, 2024 · The "To:" line prompts you to "Type the name of a person". You can also use Xfinity MyAccount (Web|iOS|Android) and xFi app (iOS|Android) for product and account support. Everything dies. Current signal. May 24, 2022 · Wed May 25 18:40:09 2022 Critical (3) 16 consecutive T3 timeouts while trying to range on upstream channel 0; Wed May 25 18:40:52 2022 Critical (3) Started Unicast Maintenance Ranging - No Response received - T3 time-out; Xfinity's speed test shows me with faster speeds: usually puts me around 900mbps. So it seems to be a very clean Sep 8, 2020 · Time: Priority: Description: Time Not Established: Critical (3) No Ranging Response received - T3 time-out: Sep 07 2020 17:23:59: Warning (5) MIMO Event MIMO: Stored MIMO=-1 post cfg file MIMO=-1 Dec 8, 2022 · Since June, (service was switched to a different node) I have been experiencing T3 time-out errors on a reoccurring basis. It's a little lower than I want to see, but I'll survive as long as I can maintain a consistent connection that doesn't drop any lower. Still lots of T3 errors in the modem log, and high upstream power levels (just in the last hour I saw 53. Several times a day I get T3 & T4 errors in the modem log and modem reboots. Mar 27, 2023 · been getting t3 errors on my modem since install and have increased in frequency. Restarted the modem, cleared it up. Calling 1-800-COMCAST (1-800-266-2278) or 1-800-XFINITY (1-800-934-6489) If you've registered your mobile phone number for Comcast Alerts, you can text OUT to 266278 (COMCST) Recent changes in your service Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. There are no T2, T4, MDD, TCS partial service, or other errors in the modem log. Sep 16, 2018 · Please send me a private message with your first and last name, your business name and, the phone number registered to your Comcast Business Account. While I understand that uncorrectable errors are a bigger problem, and that a few uncorrectables is not a huge concern, I'd like to know what level of correctables indicates a pending problem. ALL 6 May 14, 2024 · user_tt1j4i Hello and thank you for reaching out via our Xfinity Community Forum. net results in intermittently changing download speeds ranging from 5Mbps to 50Mpbs with upload speeds coming in at 1Mbps to high of 7Mbps. The "Xfinity Support" graphic replaces the "To:" line. At the beginning of the year, the cable to my house was replaced, so I would think that is not the cause. > how old is your main line? I don't know. Some errors I get from the Event log on both the old and new modem: Started Unicast Maintenance Ranging - No Response received - T3 time-out I've had a fairly steady rate of disrupted connections. The picture of the pedestal was taken at 1:11, Comcast time. Any insight to how we restore stable internet would be greatly appreciated! Jun 2, 2020 · Later in the day (Wednesday) the errors were happening less often. Dec 9, 2023 · Each restart also takes between 20-30 minutes, almost entirely establishing the upload connection. Past that, the most common thing to cause T3 errors are bad upstream levels. Logging into your Comcast account and clicking the check for service interruptions link. There are no splitters. Hey there, u/ArchXIII, thanks for reaching out through Reddit regarding your T3 and T4 timeouts!I apologize you are having issues with your connection! In my household, we work from home and school online, so I know how important a solid internet connection is. Also shouldn't be seeing those kind of downstream errors after a hour of being online. Thanks in advance for any/all help. Posted by u/badass_panda - 1 vote and 3 comments Jun 10, 2023 · I've been having signal issues with my cable modem ever since I got xfinity. Jan 14, 2021 · The upstream power is too high / out of spec. Jul 15, 2024 · Hello, @kh_702407. May 21, 2021 · • The "To:" line prompts you to "Type the name of a person". Oct 27, 2024 · The "To:" line prompts you to "Type the name of a person". If you have questions about your services, we're here to answer them. This field below allows you to modify the frequency the cable modem start with its scan during initialization and registration. Downstream channels all show a high number of correctable and uncorrectable errors on every channel. Level 5 tech came out today. I will contact Xfinity again to see if they can escalate. Please give me suggestions as to what I can do and what Xfinity will do. In the past Comcast checked home wireing (all ok,) replaced the wire Hi, I am still getting many t3 errors after a second tech visit. Also, SNR are excellent (~44 on all channels), and power levels are well in spec. Upstream should be pretty consistent and not jumping by 10dB. There are never any uncorrectible errors on the modem page, and in a week there will be about 10-15 correctible errors on about 10 downstream channels. Jun 2, 2020 · ​I have been having T3 timeouts over the course of 3 years. and or replaced in 2018 and 2019. Jun 2, 2023 · Greetings, I have been plagued by random internet drops, like many others on this forum Motorola MB8611 which I just purchased in December 2022. Tech staff confirms whether downtime or outages are causing it. I recently purchased the 8200 (July) and started having issues. uye and fnscq xhfwj mcnd ihpts nmsuoqo ddlxa zvrcmta oevkm