Hi my headset stopped working today and ive since fixed the problem but wanted people to be aware of the fix as the support and trouble shooting pages do not mention this as a possible answer to the problem,
the problem was the headset didnt seem to be recieving power so it was not working, i went through the trouble shooting guide and nothing fixed the problem, i then spoke to customer support, and told them the problem and the steps i took to find a solution to which they had no answer and that i would need to send in the headset for repair, since my console is in the instant on mode for ease of use i have noticed a few software faults like games not starting or pushing you to the home screen the only way to fix this is to cold boot the xbox one. in the process i decided to try the headset again and it now works, there must of been a fault in the software that communicates the headset with the pad that prevented it from recieving power, by cold booting the console it removed the fault.
so if you find your headset not having power when you press the mute button or its not picking up your voce cold boot the console it should fix the issue.
happy gaming people.