My Arc is flashing orange and white and not playing sound from the TV?
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Has the unit ever played music or TV? Is the unit wireless or wired to the network?
Yes it has played both TV and music. TV is wired, Arc is HDMI to the TV
Sounds like you need Sonos Support.
https://support.sonos.com/en-us/article/sonos-led-lights
Flashing orange and white
The status light will flash orange and white when your Sonos product is updating.
If you’re resetting your Sonos product, the status light will flash orange and white while the reset is in process.
In rare cases, a flashing orange and white status light indicates a fault condition. If the product is an Amp or Connect:Amp, see our article on no sound from Amp with a flashing orange and white light for troubleshooting steps. Otherwise, contact Sonos Support.
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