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Arris S33 Errors, Power, Firmware
Hi all, I’m dealing with persistent internet issues with my Arris Surfboard S33 modem and it’s been frustrating. I have Google Nest Mesh that seems to be working except when needing to reboot modem & router - it doesn't always connect to the modem without multiple tries. Internet is mostly working with good speeds, but I'm seeing increasing dropouts. Xfinity’s technician blamed my modem and router since signal levels and connections were apparently fine inside and out, but I’ve got detailed logs showing serious problems, and I’d appreciate advice on next steps.
Modem Issues (from logs):
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Corrected Errors: Skyrocketing, from 14.8M to 24.8M in ~3 hours, suggesting severe line noise.
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Uncorrectable Errors: Stuck at 126 across logs, indicating data loss causing dropouts/latency.
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Upstream Power: 44.8–45.8 dBmV, high (with 0.2–0.3 dBmV increases), showing modem strain.
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Firmware Bug: Corrupted metrics (“2 eBrw 44 eB”) and empty event logs due to Xfinity’s “SW Upgrade Failed - Server not found” error. Past logs showed “SYNC Timing Synchronization failure”.
Are 24.8M corrected errors and 126 uncorrectable typical, or is this Xfinity’s line noise? How do I push Xfinity to fix their lines/server and update the modem software? Should I demand a senior technician or firmware fix? Logs available if needed. Thanks for any help—this is driving me nuts!
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