Server Version#: 4.159.0
Player Version#: (any player)
Tuner Make/Model: HDHomeRun HDFX-4K
Guide/Lineup name: unsure
Using XMLTV?: unsure
Channel number/Name: any live channel, but CBS (8.1) as an example
When attempting to watch Live TV, playback fails immediately with the error: “Could not tune channel. Please check your tuner or antenna.”
Troubleshooting I have already completed:
- Confirmed the HDHomeRun is reachable and streaming correctly (curl to port 5004 returns a valid MPEG stream)
- Confirmed signal strength on CBS (8.1): 79% signal, 84% quality, 100% symbol quality, 7 Mbps stream rate
- Confirmed the HDHomeRun app plays Live TV successfully on the same device
- Updated HDHomeRun firmware
- Re-added the tuner device in Plex
- Rescanned channels
- All 4 tuners show green in Plex settings
When I attempt to watch Live TV, Plex allocates a tuner successfully but then immediately fails with Error 16 in under one second:
Grabber: Allocated a tuner on device://tv.plex.grabbers.hdhomerun/10AE55A2 (3 left)
Recorder: Error 16 (Recording failed. Please check your tuner or antenna.) starting the record, shutting things down.
Grabber: Freed a tuner on device://tv.plex.grabbers.hdhomerun/10AE55A2 (now 4 available)
The key issue: Plex seems to be routing a plain Live TV viewing session through the Recorder/DVR stack (note “starting the record” in the log), and that stack appears to be failing for non-Plex Pass users.
