21TroubleshootingUnit doesn’t respond (no power)• Check that unit is connected to AC power.• Make sure your device is properly paired with the K4.• Make sure the Power is ON.• If the unit seems “frozen” or locked up, disconnect the AC adaptor, remove the backup battery andlet unit stand for 3 minutes to reset the unit. Doing so will erase all settings. Replace backup batteryand re-connect AC adaptor.Resetting BluetoothIf Bluetooth function is not operating properly, you may wish to reset Bluetooth. To do so, press and holdthe Bluetooth Pairing Button for 10 seconds. You will hear a tone. You will then need to re-pair anypreviously paired devices.Trouble pairing device/computer with K4Bluetooth implementation varies depending on your device’s hardware and operating system. Pleasesee our website for updates on pairing.• Make sure you have the latest firmware for your device.• Make sure your device is working properly. Check your device’s manual for details on Bluetoothpairing and linking.• When you power ON the speaker, it will automatically link with the last previously paired Bluetoothdevice if the device is still within range (approx.30 feet). To pair with a different device you mustturn off Bluetooth capability on the already paired device, or take it out of range.For further information and to see the latest instructions, visit www.ihome.com/support