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No power | QuietComfort® 15 Acoustic Noise Cancelling™ headphones
quietcomfort®-15-acoustic-noise-cancelling™-headphones
QuietComfort® 15 Acoustic Noise Cancelling™ headphonesSold from 2009 - 2014

No power | QuietComfort® 15 Acoustic Noise Cancelling™ headphones

Check the battery installation.

Match the "+" and "-" polarity symbols on the batteries to the markings inside the battery compartment

Check the condition of the battery compartment and contacts.

  • Use compressed air to blow any dust or debris out of the battery compartment
  • Be sure the spring on the battery door is not mis-shapen and that it is making contact with the battery
  • Use rubbing alcohol on a cotton swab to clean both battery contacts; one is in the compartment; one is the spring on the door. Let the product air dry before use

Replace the battery.

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No power | QuietComfort® 15 Acoustic Noise Cancelling™ headphones