If your speaker will not turn on when connected to AC power, try the following:
Make sure your speaker is connected to a working power outlet
Try another USB charging cable
Try another USB wall charger or powered computer USB port
If you are using a surge protector or multi-outlet converter, try plugging directly into the socket
Put the product into Ship Mode to reset it (your settings and stored devices will not be erased):
Connect the speaker's power cable
Press and hold the Multi-function button for 10 seconds
While continuing to hold the Multi-function button, unplug the speaker from power
Release the Multi-function button
Reconnect the power cable and test the speaker
Click here to check for and install any available updates for your speaker. Try this even if your speaker will not turn on