6 Troubleshooting
Warning
•• Never remove the casing of this device.
To keep the warranty valid, never try to repair the system yourself.
If you encounter problems when using this device, check the following points before requesting service. If the problem remains unsolved, go to the Philips Web page (www. philips.com/support). When you contact Philips, make sure that the device is nearby and the model number and serial number are available.
No power to the Bluetooth® speaker
•• Make sure that the AC power plug of the device is connected properly.
•• Make sure that there is power at the AC outlet.
•• As a
No power to the wireless microphone
•• The batteries may be installed incorrectly or drained. Install or replace the batteries properly (see ‘Install/replace microphone batteries’ on page 7).
•• As a
No sound or poor sound
•• Adjust volume.
•• Check the Bluetooth® connection.
•• Check whether you have started music play on the connected device.
Failed to set up connection between the microphone and speaker
•Check whether both the wireless microphone and Bluetooth® speaker are switched on.
•Make sure that the wireless microphone and Bluetooth® speaker are within the the effective operation range, that is, approximately 10 meters (30 feet).
•Press and hold 
on the top of the Bluetooth® speaker for more than 10 seconds to set up wireless connection manually.
Howling or echo from the wireless microphone
•Adjust volume.
•Increase the distance between the microphone and speaker or adjust the angle of the microphone towards the speaker.
No response from the Bluetooth® speaker
•• Disconnect and reconnect the AC power plug, and then switch on the device again.