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No Ranging Response received - T3 time-out Modem issue
I've been dropping internet 3-28 times a day for the last 3 months and according to my Arris SB6183 the common error is No Ranging Response received - T3 time-out
Standard Specification Compliant
| DOCSIS 3.0 | |
| Hardware Version | 1 |
| Software Version | D30CM-OSPREY-1.5.0.1-GA-01-NOSH |
| Cable Modem MAC Address | XXXX |
| Serial Number | XXXX |
Here are my Downstream values:
Downstream Bonded Channels
| Channel | Lock Status | Modulation | Channel ID | Frequency | Power | SNR | Corrected | Uncorrectables |
| 1 | Locked | QAM256 | 99 | 825000000 Hz | 8.2 dBmV | 37.0 dB | 0 | 0 |
| 2 | Locked | QAM256 | 97 | 813000000 Hz | 7.9 dBmV | 37.3 dB | 0 | 0 |
| 3 | Locked | QAM256 | 98 | 819000000 Hz | 7.8 dBmV | 37.0 dB | 1 | 0 |
| 4 | Locked | QAM256 | 100 | 831000000 Hz | 8.2 dBmV | 37.1 dB | 0 | 0 |
| 5 | Locked | QAM256 | 101 | 837000000 Hz | 8.4 dBmV | 37.4 dB | 4 | 0 |
| 6 | Locked | QAM256 | 102 | 843000000 Hz | 8.2 dBmV | 37.1 dB | 0 | 0 |
| 7 | Locked | QAM256 | 103 | 849000000 Hz | 8.3 dBmV | 36.9 dB | 0 | 0 |
| 8 | Locked | QAM256 | 104 | 855000000 Hz | 8.6 dBmV | 36.5 dB | 0 | 0 |
| 9 | Locked | QAM256 | 113 | 909000000 Hz | 8.2 dBmV | 35.8 dB | 1 | 0 |
| 10 | Locked | QAM256 | 114 | 915000000 Hz | 8.6 dBmV | 35.6 dB | 0 | 0 |
| 11 | Locked | QAM256 | 115 | 921000000 Hz | 8.6 dBmV | 35.5 dB | 5 | 0 |
| 12 | Locked | QAM256 | 116 | 927000000 Hz | 8.4 dBmV | 35.8 dB | 2 | 0 |
| 13 | Locked | QAM256 | 117 | 933000000 Hz | 7.9 dBmV | 36.0 dB | 5 | 0 |
| 14 | Locked | QAM256 | 118 | 939000000 Hz | 7.2 dBmV | 35.5 dB | 6 | 0 |
| 15 | Locked | QAM256 | 119 | 945000000 Hz | 6.5 dBmV | 35.2 dB | 7 | 0 |
| 16 | Locked | QAM256 | 120 | 951000000 Hz | 5.9 dBmV | 35.0 dB | 12 | 0 |
And upstream:
Upstream Bonded Channels
| Channel | Lock Status | US Channel Type | Channel ID | Symbol Rate | Frequency | Power |
| 1 | Locked | TDMA and ATDMA | 1 | 2560 Ksym/sec | 18400000 Hz | 43.9 dBmV |
| 2 | Locked | ATDMA | 2 | 5120 Ksym/sec | 23300000 Hz | 45.5 dBmV |
| 3 | Locked | ATDMA | 3 | 5120 Ksym/sec | 29800000 Hz | 47.5 dBmV |
| 4 | Locked | ATDMA | 4 | 5120 Ksym/sec | 36300000 Hz | 47.1 dBmV |
BlueMoney
New Contributor
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The only times I've lost internet were at the No ranging response received messages that cause my modem to reset itself.
And here is a slice of my event log with mac addresses censored:
Mon Jul 18 12:51:14 2016
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Fulcanelli
New Contributor
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I'm having the same trouble with multiple "Received Response to Broadcast Maintenance Request, But no Unicast Maintenance opportunities received" T4 time outs that reset my modem daily.
I have a Netgear cable modem/wireless router I actually bought from Cox.
The info I've found on the Internet various support forums points in a few different directions and I don't think I should have to start throwing money in every direction to fix this very annoying problem.
Thanks in advance for any help anybody can offer...
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BlueMoney
New Contributor
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I bypassed all of those and received the same errors, a tech told me to purchase a new modem and I've already received the same errors on the new one; I have another tech coming this morning.
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BlueMoney
New Contributor
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The tech did an ingress test and it seems the arizona heat is causing problems with my line, a new one is being put in on monday morning.
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MichaelJ
Moderator
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