Yamaha R-N402D Owner's Manual download pdf (Page 58)

56 En

Troubleshooting

■ USB and network

Problem Cause Remedy

See

page

The unit does not

detect the USB

device.

The USB device is not connected to the

USB jack securely.

Turn off the unit, reconnect your USB device, and

turn the unit on again.

—

The file system of the USB device is not

FAT16 or FAT32.

Use a USB device with FAT16 or FAT32 format.

—

Folders and files in

the USB device

cannot be viewed.

The data in the USB device is protected

by the encryption.

Use a USB device without an encryption function.

—

The network feature

does not function.

The network parameters (IP address) have

not been obtained properly.

Enable the DHCP server function on your router and

set “DHCP” in the “SETUP” menu to “On” on the

unit. If you want to configure the network parameters

manually, check that you are using an IP address

which is not used by other network devices in your

network.

The unit cannot

connect to the

Internet via a wireless

router (access point).

The wireless router (access point) is

turned off.

Turn on the wireless router (access point).

—

The unit and the wireless router (access

point) are too far apart.

Place the unit and the wireless router (access point)

closer to each other

—

There is an obstacle between the unit and

the wireless router (access point).

Move the unit and the wireless router (access point)

in a location where there are no obstacles between

them.

—

Wireless network is

not found.

Microwave ovens or other wireless

devices in your neighborhood might

disturb the wireless communication.

Turn off these devices.

—

Access to the network is restricted by the

firewall settings of the wireless router

(access point).

Check the firewall setting of the wireless router

(access point).

—

The unit does not

detect the PC.

The media sharing setting is not correct. Configure the sharing setting and select the unit as a

device to which music contents are shared.

Some security software installed on your

PC is blocking the access of the unit to

your PC.

Check the settings of security software installed on

your PC.

—

The unit and PC are not in the same

network.

Check the network connections and your router

settings, and then connect the unit and the PC to the

same network.

The files in the media

server (PCs/NAS)

cannot be viewed or

played back.

The files are not supported by the unit or

the media server.

Use the file format supported by both the unit and the

media server. For information about the file formats

supported by the unit, see “Supported file formats”.

The Internet radio

cannot be played.

The selected Internet radio station is

currently not available.

There may be a network problem at the radio station,

or the service may have been stopped. Try the station

later or select another station.

—

The selected Internet radio station is

currently broadcasting silence.

Some Internet radio stations broadcast silence at

certain of times of the day. Try the station later or

select another station.

—

Access to the network is restricted by the

firewall settings of your network devices

(such as the router).

Check the firewall settings of your network devices.

The Internet radio can be played only when it passes

through the port designated by each radio station. The

port number varies depending on the radio station.

—

The iPod does not

recognize the unit

when using AirPlay.

The unit is connected to a multiple SSID

router.

Access to the unit might be restricted by the network

separation function on the router. Connect the iPod to

the SSID which can access the unit.

—

Firmware update via

the Internet failed.

It may not be possible depending on the

condition of the Internet.

Update the firmware via the Internet again or use a

USB memory device.

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Yamaha R-N402D Owner's Manual Page 58

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