23(ENG) VQT4U55 ENGLISHTroubleshootingBefore requesting service, make the followingchecks. If you are in doubt about some of the checkpoints, or if the solutions indicated in the followingguide do not solve the problem, refer to “CustomerServices Directory (United States and Puerto Rico)”on page 30 if you reside in the U.S.A. or PuertoRico, or refer to “Limited Warranty (ONLY FORCANADA)” on page 31 if you reside in Canada.Do you have the latest software installed?≥ Occasionally, Panasonic may release updated software for thissystem that may add or improve the way a feature operates.(l 21)The CD unit and the speaker unit are notwirelessly connected.The sound is interrupted.The standby/on indicator on the side of the CDunit lights red.The display shows “NOCONNECT ” or“ CANNOT ACCEPT ”.This system has a wireless communicationproblem, follow the instructions below.1 Check that the AC power supply cords areconnected to the both units.2 If the devices which use 2.4 GHz are beingused near this system, turn them offtemporarily.3 Move the both units closer together.A wireless connection will be automaticallyestablished.≥ If a wireless connection is not established, set thecommunication mode to “C.MODE1”. (l 22)≥ If the problem persists, connect the units with cables.(l 8)Only the speaker unit’s display turns on.≥ Press any button on the CD unit, or select “CD”, “IPOD_DOCK”,or “IPOD_PORT” as an audio source.Humming heard during play.≥ An AC power supply cord or fluorescent light is near the cords.Keep other appliances and cords away from this system’s cables.Pairing cannot be done.≥ Check the Bluetooth ® device condition.The device cannot be connected.≥ The pairing of the device was unsuccessful or the registration hasbeen replaced. Try pairing the device again. (l 16)≥ This system might be connected to a different device. Disconnectthe other device and try pairing the device again.The device is connected but audio cannot beheard through the speaker unit.≥ For some built-in Bluetooth ® devices, you have to set the audiooutput to “SC-NE5” manually. Read the operating instructions forthe device for details.The sound is interrupted.≥ The device is out of the 10 m (33 ft) communication range. Bringthe Bluetooth ® device closer to this system.≥ Remove any obstacle between this system and the device.≥ Other devices that use the 2.4 GHz frequency band (wirelessrouter, microwaves, cordless phones, etc.) are interfering. Bringthe Bluetooth ® device closer to the speaker unit and distance itfrom the other devices.≥ Select “MODE 1” for stable communication. (l 16)Incorrect display or play will not start.≥ Make sure that the disc is compatible with this system. (l 5)≥ There is moisture on the lens. Wait for about an hour and then tryagain.A beat sound or noise is heard while receivingradio broadcast.≥ Confirm the FM antenna is properly connected. (l 8)≥ Adjust the position of the antenna.≥ Try to keep a certain amount of distance between the antenna andAC power supply cord.≥ Try using an outdoor antenna if there are buildings or mountainsnearby.≥ Switch the television or other audio player off or separate it fromthis system.≥ Keep this system away from mobile phones if the interference isapparent.Stations cannot be selected.Change the FM frequency step.1 Press [CD/RADIO] to select “FM”.2 Press and hold [SELECTOR] on the speakerunit.After a few seconds the display changes to show the currentlowest frequency. Continue to hold the button down. The lowestfrequency changes and the step is changed.To return all settings to the factory presetWhen the following situations occur, reset thememory of both the CD unit and the speaker unit:≥ There is no response when buttons are pressed.≥ You want to clear and reset the memory contents.1 Disconnect the AC power supply cord. (Waitfor at least 3 minutes before proceeding tostep 2.)2 While pressing and holding down [Í/I] on theunit, reconnect the AC power supply cord.≥ Keep holding down [Í/I] until “--------”appears on the display.3 Release [Í/I].≥ All the settings are returned to the factory preset. You willneed to reset the memory items.Common problemsBluetooth®Disc operationsRadio