I have a HDHR3 which I have used since 2012 without any issues.
However a week ago I started to loose network connectivity randomly. A power cycle helped temporarily but if I do a channel scan via "hdhomerun_config_cli" on Linux or watches some TV and then stop TV viewing it looses network connectivity 5-10 mins after that.
If it looses connectivity the LED for "on" is still screen. When this started the device ran it's latest firmware 20200225 which had been working fine for the last 7 months.
I tried reflashing it with 20200225 but it didn't help. Neither did downgrading to 20170930 or 20150604.
Do you have any ideas on how to debug this or is it most likely a hardware failure?
Reception, channel detection, network issues, CableCARD setup, etc.
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