Bose QuietComfort Ultra Wireless Noise Canceling Over-Ear Headphones (White Smoke) User Manual
Page 49
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TROUBLESHOOTING
SYMPTOM
SOLUTION
Can’t adjust
noise cancellation
Power off the headphones, then power on again (see page 14).
If using the Multi-function button, try using the Bose Music app
to adjust the noise cancellation level.
Headphones don’t
detect they are on head
Power off the headphones. Put the headphones on, then power
on again (see page 14).
Make sure the right earcup is fully covering your ear.
Brush aside any hair or remove any clothing covering your right
ear before putting the headphones on. Hair or clothing can
prevent the headphones from detecting that they’re on
your head.
Headphones don’t
detect they are off head
Power off the headphones. With the headphones off your head,
power on again (see page 14), then put the headphones on.
After taking the headphones off, rotate both earcups inwards so
they lay flat. You can also place them in the case.
Make sure that the auto play/pause on-head detection feature
is enabled using the Bose Music app (see page 20). You can
access this option from the Settings menu.
Audio pauses
unexpectedly
Remove the headphones, then put them on again.
Disable the auto play/pause on-head detection feature using
the Bose Music app (see page 20). You can access this option
from the Settings menu.
No sound
If the headphones have been exposed to high or low
temperatures, let the headphones return to room temperature.
Press the
Bluetooth
/Power button to hear the connected device.
Make sure you are using the correct device.
Press play on your mobile device to make sure audio is playing.
Play audio from a different application or music service.
Play audio from content stored directly on your device.
If two mobile devices are connected, pause your other
device first.
Restart your mobile device.
Reset the headphones (see page 54).
See “Headphones don’t detect they are on head.”