CM2050V - Lights have stopped working - need to worry?

Question

In the past 6 months, the Upload light on my CM2050V has stopped working. I assume that is due to the Firmware issue. I had the same exact issue from 2019-2022 with another Netgear modem. No fix, just both sides pointing fingers at the other to fix it. It was the reason I finally upgraded to the CM2050V, now same issue.

But, in the past month, most of the lights have stopped working on the unit. Power, Download and the Online lights have stopped working. The only lights that are working now, are the Ethernet and Phone1 lights are working. The modem does still work, but I'm concerned the modem is dying. I worked with Netgear support and went thru troubleshooting. Their opinion is, since the Power light doesn't work, it's a hardware issue.

I work from home, so this is a big issue for me. After going thru the troubleshooting session yesterday (01/03), I went to Best Buy and bought another CM2050V, just in case.

All opinions are welcome,

Curtis

FURRYe38 · Answer

What ISP are you connected with?
What Firmware version is currently loaded?Please post a copy and paste of the modems connection status and event log page.https://kb.netgear.com/30007/How-do-I-obtain-the-cable-connection-information-from-a-NETGEAR-cable-modem-modem-routerhttps://kb.netgear.com/30008/How-do-I-view-or-clear-the-event-logs-on-my-NETGEAR-cable-modem-or-modem-router
&nbsp;
Might try a different power supply adapter with same volts and amps.&nbsp;

cmarti02 · Answer

1. What ISP are you connected with?&nbsp; Xfinity2. What Firmware version is currently loaded? V2.01.03, which I believe is the latest/right one.3. 32 DL channels are locked, only 2 UL (1&amp;5 channels locked), only 1 OFDM locked, 0 OFDMA channels locked.Startup ProcedureProcedure Status Comment Acquire Downstream Channel501000000 HzLockedConnectivity StateOKOperationalBoot StateOKOperationalSecurityEnabledBPI+Downstream Bonded ChannelsChannel Lock Status Modulation Channel ID Frequency Power SNR Correctables Uncorrectables 1LockedQAM25612501000000 Hz-0.4 dBmV39.4 dB202LockedQAM2561435000000 Hz0.4 dBmV39.6 dB3386373LockedQAM2562441000000 Hz-1.0 dBmV39.0 dB78616034LockedQAM2563447000000 Hz-1.7 dBmV38.7 dB108633985LockedQAM2564453000000 Hz-0.1 dBmV39.2 dB38810166LockedQAM2565459000000 Hz1.1 dBmV39.7 dB2487917LockedQAM2566465000000 Hz1.6 dBmV39.7 dB2826958LockedQAM2567471000000 Hz2.1 dBmV39.8 dB2656229LockedQAM2568477000000 Hz2.2 dBmV39.9 dB21664210LockedQAM2569483000000 Hz1.8 dBmV39.9 dB21858211LockedQAM25610489000000 Hz1.1 dBmV39.7 dB29875612LockedQAM25611495000000 Hz0.3 dBmV39.5 dB32897213LockedQAM25613507000000 Hz-0.7 dBmV39.4 dB30281114LockedQAM25614513000000 Hz-0.8 dBmV39.4 dB287108215LockedQAM25615519000000 Hz-0.9 dBmV39.5 dB24578516LockedQAM25616525000000 Hz-0.7 dBmV39.7 dB22078917LockedQAM25617531000000 Hz-0.4 dBmV39.6 dB24699618LockedQAM25618537000000 Hz0.3 dBmV40.0 dB21570419LockedQAM25619543000000 Hz0.7 dBmV40.1 dB23148020LockedQAM25620549000000 Hz0.8 dBmV40.1 dB360111021LockedQAM25621555000000 Hz0.6 dBmV39.9 dB19559722LockedQAM25622561000000 Hz0.4 dBmV39.8 dB303101323LockedQAM25623567000000 Hz0.2 dBmV39.8 dB21859824LockedQAM25624573000000 Hz-0.1 dBmV39.6 dB18362225LockedQAM25625579000000 Hz-0.8 dBmV39.4 dB244116926LockedQAM25626585000000 Hz-1.5 dBmV39.1 dB24363727LockedQAM25627591000000 Hz-2.1 dBmV38.8 dB26462428LockedQAM25628597000000 Hz-2.4 dBmV38.6 dB27570929LockedQAM25629603000000 Hz-2.4 dBmV38.6 dB22060430LockedQAM25630609000000 Hz-2.8 dBmV38.4 dB20769931LockedQAM25631615000000 Hz-3.1 dBmV38.3 dB22671832LockedQAM25632621000000 Hz-3.3 dBmV38.2 dB231675Upstream Bonded ChannelsChannel Lock Status US Channel Type Channel ID Symbol Rate Frequency Power 1LockedATDMA1512035600000 Hz40.3 dBmV2LockedATDMA5256040400000 Hz39.0 dBmV3Not LockedUnknown000 Hz0.0 dBmV4Not LockedUnknown000 Hz0.0 dBmV5Not LockedUnknown000 Hz0.0 dBmV6Not LockedUnknown000 Hz0.0 dBmV7Not LockedUnknown000 Hz0.0 dBmV8Not LockedUnknown000 Hz0.0 dBmVDownstream OFDM ChannelsChannel Lock Status Profile ID Channel ID Frequency Power SNR / MER Active SubcarrierNumber Range UnerroredCodewords CorrectableCodewords UncorrectableCodewords 1Locked0 ,1 ,2 ,3193702000000 Hz-3.9 dBmV37.2 dB1108 ~ 298772361112057083337202Not Locked000 Hz0 dBmV0.0 dB0 ~ 4095000Upstream OFDMA ChannelsChannel Lock Status Modulation / Profile ID Channel ID Frequency Power 1Not Locked000 Hz0 dBmV2Not Locked000 Hz0 dBmV&nbsp;4. Event Status logTime Priority Description Thu Jan 04 17:47:02 2024(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Thu Jan 04 10:25:04 2024(Notice (6))CM-STATUS message sent. Event Type Code: 22; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Thu Jan 04 10:25:04 2024(Notice (6))CM-STATUS message sent. Event Type Code: 23; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Thu Jan 04 10:25:04 2024(Notice (6))CM-STATUS message sent. Event Type Code: 24; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

FURRYe38 · Answer

Power is ok.
&nbsp;
Correctables and Un-correctables should be zeros.&nbsp;
&nbsp;
Be sure your using a good quality LAN cable between the modem and router. CAT6 is recommended.&nbsp;What is the brand and model of the host wifi router connected to the modem?
&nbsp;
If you get the 2nd CM modem, try it's power adapter on the 1st modem to see if the LED behavoirs change.
&nbsp;
Have you powered OFF the 1st modem and disconnected it from the ISP coax line then powered it on to see if the LEDs change behavior?&nbsp;
Any Factory resets as well?&nbsp;
&nbsp;
Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP.&nbsp;Indicates a signal issue on the ISP line up to the modem.

cmarti02 · Answer

old Modem answers to question -Router - ASUS ZenWiFi CT8 - about a year old.&nbsp; Highly recommended, love it. Increased throughput of 2nd floor gaming.Ethernet cable - 10' CAT7. Swapped out for exact copy. No difference.Power Adapter - tried new one, tried with coax disconnected, modem completely disconnected, no lights powered on.&nbsp;Old CM2050V essentially died Friday morning, connection lost, never regained connection.&nbsp; One year and a week old.&nbsp; Shortest lifespan of any modem I've ever owned.&nbsp; Decided to swap in new one, same CM2050V model.&nbsp; Only choice left of modem and voice combo.&nbsp; Have no use for gateway, with the mesh ASUS router I love.All lights immediately came on. Took 4 reboots over 90 minutes before Online finally light went solid.&nbsp; Then took from 10:30 am - 4:25pm before Xfinity tech support finally got it provisioned and both internet and phone worked.No correctables/non-correctables, SNR on 31 of 32 locked DL's between 39-41. UL only 2 of 8 locked, 38-38 SNR.&nbsp; Same set of warning/critical errors in Event log that have been going on since 2019 with a CM1150V and now CM2050V.&nbsp; Please get the FW issue fixed!!!!!What are the OFDM and OFDMA streams for and why only 1 DL (ton of Correctable Codewords) out of the 4 Locked?TIA, CurtisTime Priority Description Sat Jan 06 14:36:31 2024(Notice (6))CM-STATUS message sent. Event Type Code: 1; Chan ID: 21; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:36:21 2024(Warning (5))MDD message timeout;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:36:03 2024(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:35:54 2024(Notice (6))CM-STATUS message sent. Event Type Code: 1; Chan ID: 21; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:35:53 2024(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:35:51 2024(Warning (5))MDD message timeout;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;Sat Jan 06 14:35:50 2024(Critical (3))No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:b5:b7:38;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;&nbsp;&nbsp;&nbsp;

FURRYe38 · Answer

Any Criticals, Errors or Warnings seen in the event logs needs to be reviewed and resolved by the ISP.&nbsp;Indicates a signal issue on the ISP line up to the modem.
&nbsp;
Please repost the cable connections logs or diagnostic log file capture with the new modem connected...

Forum Discussion

CM2050V - Lights have stopped working - need to worry?

5 Replies

Time	Priority	Description
Thu Jan 04 17:47:02 2024	(Critical (3))	No Ranging Response received - T3 time-out;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 04 10:25:04 2024	(Notice (6))	CM-STATUS message sent. Event Type Code: 22; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 04 10:25:04 2024	(Notice (6))	CM-STATUS message sent. Event Type Code: 23; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: N/A.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;
Thu Jan 04 10:25:04 2024	(Notice (6))	CM-STATUS message sent. Event Type Code: 24; Chan ID: 193; DSID: N/A; MAC Addr: N/A; OFDM/OFDMA Profile ID: 0 1 2 3.;CM-MAC=08:36:c9:b4:23:b0;CMTS-MAC=00:90:f0:43:05:00;CM-QOS=1.1;CM-VER=3.1;