Power does not turn on. | • Check whether the power plug is correctly inserted into the power outlet. |
Power automatically turns off. | • The sleep timer is set. Turn on the power again. |
| • "Auto Standby" is set. "Auto Standby" is triggered when there is no operation for a set amount of time. To disable "Auto Standby", set "Auto Standby" on the menu to "Off". |
Power turns off and the power indicator flashes in red approx. every 2 seconds. | • Due to the temperature rise within this unit, the protection circuit is working. Turn off the power and wait about an hour until this unit sufficiently cools down. Then, turn on the power again. |
| • Please re-install this unit in a place having good ventilation. |
Power turns off and the power indicator flashes in red approx. every 0.5 seconds. | • Check the speaker connection. The protection circuit may have been activated because speaker cable core wires came in contact with each other or a core wire was disconnected from the connector and came in contact with the rear panel of this unit. After unplugging the power cord, take corrective action such as firmly re-twisting the core wire or taking care of the connector, and then reconnect the wire. |
| • Turn down the volume and turn on the power again. |
| • This unit's amplifier circuit has failed. Turn off the power and please contact the Denon service adviser. |
Operations cannot be performed through the remote control unit. | • Batteries are worn out. Replace with new batteries. |
| • Operate the remote control unit within a distance of about 23 ft/7 m from this unit and at an angle of within 30°. |
| • Remove any obstacle between this unit and the remote control unit. |
| • Insert the batteries in the proper direction, checking the © and © marks. |
| •The set's remote control sensor is exposed to strong light (direct sunlight, inverter type fluorescent bulb light, etc.). Move the set to a place in which the remote control sensor will not be exposed to strong light. |
| • When using a 3D video device, the remote control unit of this unit may not function due to effects of infrared communications between units (such as TV and glasses for 3D viewing). In this case, adjust the direction of units with the 3D communications function and their distance to ensure they do not affect operations from the remote control unit of this unit. |
No sound comes out of speakers. | • Check the connections for all devices. |
| • Insert connection cables all the way in. |
| • Check that input connectors and output connectors are not reversely connected. |
| • Check cables for damage. |
| • Check that speaker cables are properly connected. Check that cable core wires come in contact with the metal part on speaker terminals. Also, securely tighten speaker terminals. Check speaker terminals for looseness. |
| • Check that a proper input source is selected. |
| • Adjust the master volume. |
| • Cancel the mute mode. |
| • Check the digital input connector setting. |
| • Check the digital audio output setting on the connected device. On some devices, the digital audio output is set to off by default. |
| • No sound is output from the speakers when headphones are connected. |
No sound comes out when using the DVI-D connection. | • When this unit is connected to a device equipped with a DVI-D connector, no sound is output. Make a separate audio connection. |
The volume does not increase. | • The maximum volume is set too low. Set the maximum volume using "Limit"on the menu. |
| • Appropriate volume correction processing is performed according to the input audio format and settings, so the volume may not reach the upper limit. |
No sound comes out with the HDMI connection. | • Check the connection of the HDMI connectors. |
| • When outputting HDMI audio from the speakers, set "HDMI Audio Out" on the menu to "AVR". To output from the TV, set "TV". |
| • When using the HDMI control function, check that the audio output is set to the AV amplifier on the TV. |
No sound comes out of a specific speaker. | • Check that the speaker cable is properly connected. |
| • Check that a selection other than "None" is set for the "Speaker Config." setting in menu. |
| • When the sound mode is "STEREO" and "VIRTUAL", audio is only output from the front speakers and subwoofer. |
No sound is produced from subwoofer. | • Check the subwoofer connections. |
| • Turn on the subwoofer's power. |
| • Set "Speaker Config." "Subwoofer" on the menu to "Yes". |
| • When "Speaker Config." "Front" in the menu is set to "Large", depending on the input signal and the sound mode, no sound may be output from the subwoofer. |
| • When no subwoofer audio signal (LFE) is included in the input signals, no sound may be output from the subwoofer. |
| • You can make the subwoofer always output sound by setting the subwoofer mode to "LFE+Main". |
DTS sound is not output. | • Check that the digital audio output setting on the connected device is set to "DTS". |
| • Set "Decode Mode" on the menu to "Auto" or "DTS". |
Dolby TrueHD. DTS-HD, Dolby Digital Plus audio is not output. | • Make HDMI connections. |
| • Check the digital audio output setting on the connected device. On some devices, "PCM" is set by default. |
Dolby PLII mode or DTS NEO:6 mode cannot be selected. | • It cannot be selected when "None" is set for "Speaker Config." "Center" and "Surround". |
| • These cannot be selected when using the headphones. |
Audyssey MultEQ* XT, Audyssey Dynamic EQ® and Audyssey Dynamic Volume® cannot be selected. | • These cannot be selected when you have not performed Audyssey® Setup. |
| • Switch the sound mode to other than "DIRECT" or "PURE DIRECT". |
| • These cannot be selected when using the headphones. |
| • These cannot be selected when an HD audio format with a sampling frequency of over 96 kHz is input (such as may be found on select Dolby TrueHD and DTS-HD discs). |
"Restorer" cannot be selected. | • Check that an analog signal or PCM signal (Sample Rate=44.1/48 kHz) is input. For playback of multichannel signals such as Dolby Digital or DTS surround, "Restorer" cannot be used. |
| • Switch the sound mode to other than "DIRECT" or "PURE DIRECT". |
No audio is output in ZONE2. | • You cannot play back the audio for digital signals that are input from the HDMI connector or digital connectors (OPTICAL/COAXIAL). Make an analog connection instead. |
iPod cannot be connected. | • When using iPod by connecting it to the USB port, some iPod variations are not supported. |
| • When iPod is connected by using a USB cable other than the genuine cable, iPod may not be recognized. Use a genuine USB cable. |
The AirPlay icon D is not displayed on iTunes / iPhone / iPod touch / iPad. | • This unit and PC / iPhone / iPod touch / iPad are not connected to the same network (LAN). Connect it to the same LAN as this unit. |
| • The firmware on iTunes / iPhone / iPod touch / iPad is not compatible with Airplay. Update the firmware to the latest version. |
Audio is not output. | • The volume on iTunes / iPhone / iPod touch / iPad is set to the minimum level. The volume on iTunes / iPhone / iPod touch / iPad is linked with the volume on this unit. Set a proper volume level. |
| • The AirPlay playback is not performed, or this unit is not selected. Click the AirPlay icon D on the iTunes / iPhone / iPod touch / iPad screen and select this unit. |
Audio is interrupted during the Airplay playback on iPhone / iPod touch / iPad. | • Quit the application running in the background of the iPhone/iPod touch/iPad, and then play using AirPlay. |
| • Some external factors may be affecting the wireless connection. Modify the network environment by taking measures such as shortening the distance from the wireless LAN access point. |
iTunes cannot be played back through the remote control unit. | • Enable the "Allow iTunes control from remote speakers'' setting on iTunes. Then, you can perform playback, pause, and skip operations through the remote control unit. |
"No Connection" is displayed. | • The set cannot recognize a USB memory device. Disconnect and reconnect the USB memory device. |
| • USB memory devices of a mass storage class or those compatible with MTP are supported. |
| • This unit does not support a connection through a USB hub. Connect the USB memory device directly to the USB port. |
| • The USB memory device must be formatted to FAT16 or FAT32. |
| • Not all USB memory devices are guaranteed to work. Some USB memory devices are not recognized. When using a type of portable hard disc drive compatible with the USB connection that requires power from an AC adapter, use the AC adapter that came with the drive. |
Files on the USB memory device are not displayed. | • Files of a type not supported by this unit are not displayed. |
| • This unit can display a file structure with up to 8 levels and up to 5000 subfolders and files in total. Modify the folder structure of the USB memory device. |
| • When multiple partitions exist on the USB memory device, only files on the first partition are displayed. |
Files on a USB memory device cannot be played. | • Files are created in a format that is not supported by this unit. Check the formats supported by this unit. |
| • You are attempting to play a file that is copyright protected. Files that are copyright protected cannot be played on this unit. |