10 TQBJ2141TroubleshootingGeneralSound is distorted or no sound.• Adjust the volume.• Check and adjust the antenna.• Move the unit to another location and do a full scanagain.• An AC mains lead or fluorescent light is near the cables.Keep other appliances and cords away from the cablesof this unit.• The batteries are weak. Replace them with new ones.Reception is poor or beat sound is heard.• Keep the antenna away from computers, TVs, othercables and cords. Move mobile telephones away fromthe unit if the interference is apparent.Bluetooth®Pairing cannot be done.• Check the Bluetooth® device condition.• The device is out of the 10 m communication range.Move the device nearer to the system.The device cannot be connected.• The pairing of the device was unsuccessful. Do pairingagain.• The pairing of the device has been replaced. Do pairingagain.• This unit might be connected to a different device.Disconnect the other device and try connecting thedevice again.The device is connected but audio cannot be heardthrough the system.• For some built-in Bluetooth® devices, you have to setthe audio output to “RF-D100BT” manually. Read theoperating instructions of the device for details.Sound from the device is interrupted.• The device is out of the 10 m communication range.Move the device nearer to the system.• Remove any obstacle between the system and thedevice.• Other devices that use the 2.4 GHz frequency band(wireless router, microwaves, cordless phones, etc.) areinterfering. Move the device nearer to the system anddistance it from the other devices.Messages“Alarm Not saved”• The changes made to the alarm was not saved, thechanges will be lost.“No DAB Station”• No DAB station available.• Check the antenna.• Move the unit to another location and do a full scanagain.“Service not available”• No DAB reception.“Time Not saved”• The changes made to the time was not saved, thechanges will be lost.“USB Overcurrent Remove Device”• The USB device is using too much power. Disconnectthe USB device, switch off the unit and then switch onagain.MaintenanceDisconnect the AC adaptor before maintenance.Clean this system with a soft, dry cloth.• Never use alcohol, paint thinner or benzine to clean thissystem.• Before using chemically treated cloth, read theinstructions that came with the cloth carefully.