USB Connection Failure with DCS Rossini Player after Sense 3.3 Update

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qqboy

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Feb 13, 2025
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I am writing to report a critical issue encountered after updating my Zenith NG to the latest firmware version 3.3.

Issue Description:

  • When attempting to connect the player via USB to my DCS Rossini DAC/Player, the system persistently displays a "Player Connecting" status message.
  • The connection never completes, rendering USB audio playback entirely non-functional.
  • This issue did not occur prior to the firmware 3.3 update.
 
Solution
Please get in touch with me in support as I will need to perform a remote session to look at your issue, you can send the support request directly from Sense in the settings menu by selecting "Contact Support".

It appears to be an LMS issue, it could be that the there was some network stability issues during the update process. If you're using network extenders/repeaters (powerline etc) these are typically fairly prone to network glitches and instability.
Yes, I performed a full power cycle (both devices off >5 mins) and reconnected USB cables. Issue remains:

  • Innuos Standalone Mode: Stuck on "PLAYER CONNECTING".
  • Roon Bridge Mode: USB works perfectly.
 
Followed your advice: Cleared queue cache in advanced settings. No improvement – still stuck on "PLAYER CONNECTING" in standalone mode.

UPNP Streamer is detected but cannot be selected as a player

Therefore, I am currently limited to using Roon Bridge mode for music playback and cannot use the Sense player.
 
Followed your advice: Cleared queue cache in advanced settings. No improvement – still stuck on "PLAYER CONNECTING" in standalone mode.

UPNP Streamer is detected but cannot be selected as a player

Therefore, I am currently limited to using Roon Bridge mode for music playback and cannot use the Sense player.
When you're in standalone mode, are you able to access LMS?
Add ":9000/default/settings/index.html" after the ip address for your system in a web browser. Show me what you get.
 
The LMS console homepage is functioning normally. I’ve captured three screenshots for your reference:

  • Image 1: LMS Console BASIC Settings page.
  • Image 2: LMS Console Player Management page.
  • Image 3: Current status in the SENSE app.
Screenshots are attached below.
 

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Please get in touch with me in support as I will need to perform a remote session to look at your issue, you can send the support request directly from Sense in the settings menu by selecting "Contact Support".

It appears to be an LMS issue, it could be that the there was some network stability issues during the update process. If you're using network extenders/repeaters (powerline etc) these are typically fairly prone to network glitches and instability.
 
Solution
This was resolved via remote session, addressing an issue we believe to be caused by unstable and high latency network conditions. If encountering the 'Player Connecting' issue, please follow:

“Player Connecting” Troubleshooting

When did the issue first occur?
Have there been any recent changes to your system?

To begin, please ensure that your DAC or output device is properly connected.
Check this via the Sense app by going to:
System > Settings > Audio > Audio Settings
Are you able to access this page?

If your DAC is correctly connected, as confirmed above, please also ensure that “Automatic MQA Detection” is disabled in the Advanced Settings.

Next, reboot your entire setup—including your DAC—and test again.

If the issue persists, please contact our support team directly via the Sense app:
System > Settings > Contact Support
When doing so, include the results of the checks above so we can investigate further.
 
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