Sony NSR-500 Série Manuel D'installation page 43

• Make sure the wall outlet has power. Test
it by plugging another device.
• Verify that the HDDs are not being
accessed (the ACCESS LED on the front
of the unit does not blink), and then turn
it off forcibly by pressing and holding the
power switch at the rear of the unit for
approximately 5 seconds. Restart the
NSR.
• During the startup procedure, the NSR
checks the file system. The length of this
check varies depending on the amount of
data on the NSR (in some extreme cases,
it can take as long as two hours). During
the file system check, the ACCESS LED
on the front of the unit blinks.
The monitor remains blank.
• Verify whether the NSR is on.
• Verify whether the power cord is
correctly connected.
• Verify whether the monitor cable is
properly connected.
• Verify whether the monitor is connected
to the appropriate connector. For details,
see "Connecting the Monitors"
(page 20).
An external device connected to a
USB connector does not work.
• When you connect a USB device to the
unit, the [ERROR] lamp at the bottom
right of the "Main" screen may light.
Perform the following to confirm
whether the unit supports the USB
device.
1. Click the [ERROR] lamp.
2. The System Log appears.
Confirm whether the "Unsupported
USB device" error appears in the
System Log.
If "Unsupported USB device"
appears, the unit does not support the
USB device.
• This unit supports standard USB 2.0,
Mass Storage class devices. Depending
on the type of USB 2.0, Mass Storage
class device, however, errors may occur
when writing data to the device. If errors
occur when writing data, use a USB flash
memory device of a different type.
• To ensure proper operation of USB
devices, do not connect the devices via a
USB hub. Connect the devices directly to
the USB connectors on the unit.
Operation is not guaranteed when
devices are connected via a USB hub,
USB switch, or extension cable.
• Refer to the documentation that came
with the USB device.
Cannot access the HDD.
• Make sure the HDD is properly inserted.
• Check the HDD LEDs on the front panel
of the system. Identify the defective
HDD by reading the drive LEDs. A
defective HDD LED lights red.
The system shuts down
automatically.
When the internal temperature of the unit
rises to an abnormal level, the system shuts
down automatically. Make sure that
nothing is blocking the ventilation openings
on the front, sides, and rear of the unit, and
that dust has not accumulated in them.
Others 43