Cannot hear Bluetooth musicSolution Refer to Page0 Your Bluetooth mobile device is not paired with HEOS 1. Follow the pairing procedure. 450 HEOS 1 is off. Connect HEOS 1 to AC power or turn on the HEOS 1 battery by pressing battery power button for 2 seconds.Check the AC power outlet is working.-0 HEOS 1 battery is fully depleted. Check the battery gauge. Recharge the battery. 610 The HEOS 1 is Wi-Fi mode or Aux-in mode etc. Pair and connect Bluetooth device to HEOS 1. 450 The Bluetooth mobile device is connected to another audio device. Make sure your Bluetooth device is connected to HEOS 1. -0 The volume on Bluetooth mobile device is too low. Check the volume on the Bluetooth mobile device. Check the volume on theHEOS 1 speaker.-Cannot attach batterySolution Refer to Page0 Make sure bottom cover not is installed on HEOS 1 speaker. 430 Make sure no foreign object stuck in speaker/battery connection mechanism. -0 Be sure to line up red dots before attempting clockwise rotation to lock. 43Contents Setup Use Troubleshooting Status LED Appendix49