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 operations are not done properly yet even after turning this unit on, press and hold [] st least 5 seconds to turn off, it may solve the problem.
If the unit still cannot be operated, consult the dealer.
Check the volume of the connected device. Check the volume of this unit if “A.Output Level” is set to “Variable”.
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.
Audio signal of Super Audio CD and Super Audio CD layer of Hybrid Super Audio CD
cannot be output from the digital audio output terminal of this unit.
Connect the device to the analogue audio output terminal.
Not all MQA files may be played back. Set MQA decoding function to “Off” when is is not played back properly.
When MQA audio file cannot be played back properly, set “DSD Native” to “Off”. The performance may be improved.
Not all DSD signal may be played back. Set “DSD Native” to “Off” when is is not played back properly.
Check if “Digital Output” or “Analog Output” is set to “On”.
If "Standby Mode" setting is "On" and the unit is in standby mode with network connection, automatic firmware update to the latest firmware will be performed at midnight. During this update process, the unit turns on automatically, the progress such as "Downloading", "Updating" is displayed, and the unit turns off automatically when the update is completed.
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
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.
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.
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.
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.
The content may not be played back properly depending on the network condition.
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.
- I f 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.
Check the Wi-Fi signal strength using “Signal Level” and adjust location of this unit and the wireless router.
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.
With some iOS and iTunes versions, it may not be possible to restart the AirPlay playback if the selector is changed (e.g. “CD”) 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.).
The connected media server and its contents may not be displayed properly depending on its condition (e.g. soon after adding the contents to the server, etc.). Try again later. For details, refer to the operating instructions of the media server.
When you play back music files over a network, those that are not registered to its network server are not displayed. For details, refer to the operating instructions for your server.
Depending on PC, application, etc., the content may not be played back even though the sampling frequency is supported. Check the PC, application, etc., to play back properly.
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.
The content may not be played back properly depending on 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.
Use the application for each music streaming service instead of this unit or “Technics Audio Center” to operate this unit, it may improve the performance.
Change TIDAL sound quality setting for “Settings” of “Technics Audio Center”. The performance may be improved.
Station names, countries, regions, genres, track names, album names, etc. which are managed by the service provider, may not be displayed properly depending on the broadcasting information.
When it adds / calls a content in playlist as favourites function (FAV), a different content in playlist may be played back by the service provider.
When it adds / calls a content as a favourites function (FAV), the title may not be displayed normally and it may not be played back normally by the service provider.
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.
The function you have tried to use is not available with the current settings.
Check the steps and settings.
Registration/subscription may be required for some functions.
Another input source than “CD” cannot be selected while this unit is in “Pure Disc Playback”mode.
“Filter” cannot be changed in the following conditions.
- While playing back Super Audio CD
- “MQA Decoding” is set to “On”. - “Coherent Processing” is set to “On”.
- While playing back DSD signal and “DSD Native”is set to “On”.
“COAX”, “OPT” or “USB-B” is selected, but no device is connected or no audio is played back. The sampling frequency components, etc. of the audio signals are not input correctly.
Select “Yes” and press [OK] to enter the network setting.
To exit the network setting, select “No” and press [OK].
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.