Wireless Speaker System / OTTAVA™S SC-C50, SC-C30
GENERAL QUESTIONS
The unit does not work.
Operations are not done properly.
- One of the unit's safety devices, etc. may have been activated.
- Press [
] on the unit to switch the unit to standby.
- If the unit does not switch to standby, press [] on the unit for at least 5 seconds. The unit is forcibly switched to standby.
Alternatively, disconnect the AC mains lead, wait for at least 3 minutes, then reconnect it.
- Press [] on the unit to switch on. (It may take some time for this unit to be turned on.)
- If the unit still cannot be operated, consult the dealer.
A "humming" sound can be heard during playback.
- An AC mains lead of another device or fluorescent light is near the cables. Turn off other appliances, or keep them away from the cables of this unit.
- A strong magnetic field near a TV or other device may adversely affect the audio quality. Keep this unit away from such a location.
- The speakers may output noise when a device nearby is emitting powerful radio waves, such as when a mobile phone is on a call.
No sound.
- Check the volume of this unit and the connected device.
- Check to see if the cable connections to the input and output terminals are incorrect. If this is the case, turn this unit to standby and reconnect the cables correctly.
- Check to see if the correct input source is selected.
- Insert the plugs of the cables to be connected all the way in.
- Playback of multi-channel content is not supported.
- The digital audio input terminal of this unit can only detect linear PCM signals. For details, refer to the operating instructions of the device.
Playback does not start.
- Depending on your environment or connected devices, it may take some time.
- Check to see if the format of the file is supported. For supported formats, refer to "File format".
The unit turns to standby mode automatically.
- This unit incorporates a protection circuit to prevent damage caused by heat buildup. When you use this unit at a high volume level for a long period of time, it may turn off automatically. Wait for this unit to cool down before turning on this unit again. (For approximately 3 minutes)
The settings are reset to the factory defaults.
- Updating the firmware may reset the settings.
USB
The connected USB device becomes warm.
- The unit and USB device become warm when using for a long time. This is not a malfunction.
The USB drive or its contents cannot be read.
- The USB drive format or its contents is/are not compatible with the unit.
- The USB drive may not be read which has the files/folders with the long names, even if the number of the files/folders of the USB device doesn’t reach a maximum number.
No response when [ 
/ 
] is pressed.
- Check to see if the format of the file is supported.
- Disconnect the USB device and then reconnect it. Alternatively, turn the unit to standby and on again.
Slow operation of the USB flash drive.
- Large file size or high memory USB flash drive takes longer time to read.
- It may take some time if there are a lot of files or folders on it.
Bluetooth®
Pairing cannot be completed.
- Check the Bluetooth® device condition.
- Disconnect the AC mains lead of the main unit, and wait for at least 3 minutes, then reconnect it. Try connecting the Bluetooth® device again. It may solve the problem.
The device cannot be connected.
- The pairing of the device was unsuccessful or the registration has been replaced. Try re-pairing the device.
- This unit might be connected to a different device. Disconnect the other device and try re-pairing the device.
- Disconnect the AC mains lead of the main unit, and wait for at least 3 minutes, then reconnect it. Try connecting the Bluetooth® device again. It may solve the problem.
The device is connected, but audio cannot be heard through this unit.
- For some built-in Bluetooth® devices, you have to set the audio output to this unit manually. Read the operating instructions for the device for details.
- Press and hold [] on this unit for at least 5 seconds to switch the unit to standby and then press [] on the unit to switch on again, or turn the Bluetooth® device off and then on. The problem may be solved.
The sound is interrupted.
- The device is out of the 10 m communication range. Bring the 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 (wireless router, microwaves, cordless phones, etc.) are interfering. Bring the Bluetooth® device closer to this system and distance it from the other devices.
- Switch the transmission mode of this unit, and it can be set by using the free app "Technics Audio Center".
Network
Cannot connect to the network.
- Confirm the network connection and settings.
- If the network is set to be invisible, make the network visible while you set up the network for this unit or make a wired LAN connection.
- To switch the Wi-Fi function between "On" and "Off", press and hold the volume [－] on the top while pressing [•DIMMER / -INFO] on the rear of this unit for approx. 5 seconds.
- This system’s Wi-Fi security supports WPA2™. Your wireless router must therefore be WPA2™ compatible. For details on the security supported by your router and how to change the settings, please refer to the operating instructions or contact your internet service provider.
- Make sure that the multicast function on the wireless router is enabled.
- Depending on the router, WPS button may not work. Try another connection method.
- The wireless LAN environment or radio interference in your area may cause connection problem. In this case, try another connection method. If the problem persists, make a wired LAN connection.
- While the AC mains lead is disconnected, the LAN cable must be connected or disconnected.
Cannot select this system as the output speakers.
- Make sure that the devices are connected to the same network as this unit.
- Reconnect the devices to the network.
- Turn the wireless router off and then on.
- Turn this unit to standby and on, and then select this system as the output speakers again.
Cannot select this unit from the Google Cast-enabled apps.
- When using the Google Cast-enabled apps to play music on this unit, you need to set up a network connection using "Google Home" app.
- You may not select this unit from the video apps, etc.
- Quit the Google Cast-enabled app and then launch the app again. It may solve the problem.
The device settings using the "Google Home" app is failed.
- "Fail/Error" may be displayed on "Google Home" app depending on the network condition and other factors even if "Success" is displayed on this unit. Confirm whether this unit is displayed or not on the Google Cast-enabled apps. If you can find this unit, you will be able to use Google Cast-enabled apps.
Playback does not start.
The sound is interrupted.
- If using the 2.4 GHz band on the wireless router, simultaneous use with other 2.4 GHz devices, such as microwaves, cordless telephones, etc., may result in connection interruptions. Increase the distance between this unit and these devices.
- If your wireless router supports 5 GHz band, try using the 5 GHz band. - Do not place this system inside a metal cabinet, for it might block the Wi-Fi signal.
- If the playback stops, check the playback status on the device.
- Place this system closer to the wireless router.
- Press and hold [•DIMMER / -INFO] to display the network status, and press again to display the Wi-Fi signal strength level. The signal strength is shown as 3 (max) - 0 (not connected). Change the position or angle of your wireless router or this system, and see if the connection improves.
- If several wireless devices are simultaneously using the same wireless network as this unit, try turning off the other devices or reducing their wireless network usage.
- Reconnect the devices to the network.
- Turn the wireless router off and then on.
- Setting QoS function of your router to "disable" may resolve the sound interruptions.
- With some iOS and iTunes versions, it may not be possible to restart the AirPlay playback if the selector is changed (e.g. “AUX”) or this unit is in standby mode, during the AirPlay playback. In this case, select a different device from the AirPlay icon of the Music App or iTunes and then re-select this system as the output speakers.
- If the above solutions do not solve the problem, make a wired LAN connection for all connected devices which have LAN terminal (this unit, Network Attached Storage, media server, etc.).
- If the sound is not output normally, it may be improved by turning the power of this unit off and on.
Spotify/TIDAL/Deezer/Internet Radio/Podcasts
Playback does not start.
The sound is interrupted.
- The station that does not broadcast cannot be played back (or it will be skipped).
- The internet radio station may not be played back depending on the broadcasting method or the network condition.
- Depending on the internet connection environment, the sound may be interrupted or it may take some time to play back.
- Service may not be available depending on the country or area.
- The services through Network Service are operated by their respective service providers, and service may be discontinued either temporarily or permanently without notice.
- Some Internet Radio stations may not be played back due to the restrictions of the country or area.
- Video contents of TIDAL cannot be played back.
Cannot call up the stations, musics or playlists registered in favourites function (FAV).
- The stations, musics or playlists may have been deleted or changed by the service provider. Register the station or playlist again.
A content different from the registered content is played back or may not be played back normally when calling favourites function (FAV).
- When it adds / calls a content in playlist as favorites function (FAV), a different content in playlist may be played back by the service provider.
- When it adds / calls a content as a favorites function(FAV), it may not be played back normally by the service provider.
Messages
"Auto Off"
- The unit turns to standby mode by the auto off function.
- Press [
], etc. to cancel it. - The auto off function can be changed with the dedicated application "Technics Audio Center"
(free of charge).
"Download Fail"
- The firmware download has failed. Press any button to exit. Please try again later.
- The server cannot be found. Press any button to exit. Make sure that the network is connected to the internet.
"Empty"
- The favourite station or playlist is not registered.
- Register the favourite station or playlist.
"Fail"
- Network connection is not complete. Try the setting again.
- Space Tune is not complete. Check the procedure of setting and retry the Space Tune setting.
- If the problem persists about Space Tune, disconnect the AC mains lead, wait for at least 3 minutes, then reconnect it. Turn on this unit and then retry the Space Tune setting.
"Firmware update is available"
- The firmware (free of charge) for this unit is available.
1. Press and hold [ / ] for 5 seconds or longer.
- The update automatically starts.
- The progress is displayed as "Updating %" while updating. ("" stands for a number.)
- When the update has finished successfully, "Success" is displayed.
2. Turn this unit off after "Success" is displayed.
3. Turn this unit on after 3 minutes. - For the update information, refer to the following website.
www.technics.com/support/firmware/
"Full"
- You cannot register the favourite stations or playlists more than 9.
- Delete the stations or playlists.
- You can also delete the favourite station or playlist from the dedicated application "Technics Audio Center" (free of charge).
"F
" ("" stands for a number.)
- An abnormality has occurred. (If this unit detects an abnormality, the protection circuit is activated, and the power may be turned off automatically.)
- Is this unit placed in an extremely hot place?
- Wait a few seconds and then turn the unit on again. (The protection circuit will be deactivated.)
If the problem persists, write down the displayed number, disconnect the AC mains lead and consult your dealer.
"Load Fail"
- The firmware cannot be found on the USB flash memory.
- Download the latest firmware on the USB flash memory and try again.
"No Device"
- No USB device is connected.
- Connect the USB device to be played. The USB device cannot be played back.
- Check to see if the file system of USB device is playable.
"Not Valid"
- The function you have tried to use is not available with the current settings. Check the steps and settings.
"Not Valid in Stereo Pairing"
- Cannot do the operation while using in stereo pairing. If you want to do the operation, please ungroup the speakers.
"Operate via App"
- The key operation of this unit is disabled.
- Make sure to operate from the dedicated application "Technics Audio Center" (free of charge) when you stream music files from the device on your network or online music services etc.
For details, visit:
www.technics.com/support/downloads/tac-app/ios/index.html
www.technics.com/support/downloads/tac-app/android/index.html
"Unlocked"
- "OPT" is selected, but no device is connected. Check the connection with the device.
- The sampling frequency components, etc. of the audio signals are not input correctly.
- For supported formats, refer to "File format"
"USB Over Current Error"
- USB device is drawing too much power. Disconnect the USB device and turn the unit to standby and on again.
"Wired LAN"
- The LAN cable is connected to this unit.
- Disconnect the LAN cable when setting the wireless LAN connection.
"Wi-Fi Setup"
- Wireless LAN (Wi-Fi) setting may start when this unit is turned on. If you stop the Wi-Fi setting, press []. To keep the Wi-Fi setting, start the "Google Home" app and follow the on-screen instructions.
About Network service
The service contents may be changed or discontinued at the discretion of respective service providers without notice. Panasonic will assume no responsibility whatsoever for any damage or loss resulting from change or discontinuation of the service.