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Troubleshooting
Before requesting service, make the following checks. If
you are uncertain about some of the check points, or if the
solutions indicated in the following guide does not resolve
the issue, then consult your dealer for instructions.
To return all settings to the factory defaults
When the following situations occur, reset the
memory:
≥ There is no response when buttons are pressed.
≥ You want to clear and reset the memory contents.
1 Disconnect the AC mains lead. (Wait for at least
3 minutes before proceeding to step 2.)
2 While pressing and holding down [Í/I] on the
unit, reconnect the AC mains lead.
≥ Keep holding down [Í/I] until "---------" appears on the
display.
3 Release [Í/I].
≥ All the settings are returned to the factory defaults. You will
need to reset the memory items.
General
Humming heard during playback.
≥ If an AC mains lead or fluorescent lights are near the cords, then
keep other appliances and cords away from the cables.
The unit does not work.
≥ One of the unit's safety devices may have been activated.
Reset the unit as follows:
1 Press [Í/I] on the unit to switch the unit to standby.
≥ If the unit does not switch to standby, press [Í/I] on the unit
for approximately 10 seconds. The unit is forcibly switched
to standby. Alternatively, disconnect the AC mains lead, wait
for at least 3 minutes, then reconnect it.
2 Press [Í/I] on the unit to switch it on. If the unit still cannot be
operated, consult the dealer.
MP3 cannot be read.
≥ You may not be able to play MP3 if you have copied a
multi-session disc that has no data between sessions.
≥ When creating a multi-session disc, it is necessary to close the session.
≥ The amount of data on the disc is too small. Set the amount of
data to above 5 MB.
Charging does not start during standby mode.
≥ Turn the unit on. Check the charging has started, and then turn
the unit to standby mode. (l 6)
Noise is heard.
≥ When a device is connected to both the AUX IN jack and the DC
OUT terminal, noise may be generated depending on the device.
In this case, remove the USB cable from the DC OUT terminal.
Remote control
The remote control does not work properly.
≥ The battery is depleted or inserted incorrectly. (l 4)
Disc
Incorrect display or play does not start.
≥ Make sure that the disc is compatible with this unit. (l 15)
≥ There is moisture on the lens. Wait for about an hour and then try again.
USB
No response when [1/;] is pressed.
≥ Disconnect the USB device and then reconnect it. Alternatively,
turn the unit off and on again.
The USB drive or its contents cannot be read.
≥ The USB drive format or its contents is/are not compatible with the
unit (l 15).
≥ The USB host function of this product may not work with some
USB devices.
Slow operation of the USB flash drive.
≥ Large file size or high memory USB flash drive takes longer time
to read.
The elapsed time displayed is different from the
actual play time.
≥ Copy the data to another USB device or backup the data and
reformat the USB device.
Radio
Static or noisy reception is heard while listening to
a radio broadcast.
≥ Confirm the antenna is properly connected. (l 5)
≥ Adjust the position of the antenna.
≥ Try to keep a certain amount of distance between the antenna and
AC mains lead.
≥ Try using an outdoor antenna if there are buildings or mountains
nearby. (l 5)
≥ Turn the TV or other audio players off or separate it from this unit.
≥ Keep this unit away from mobile phones if there is interference.
Bluetooth
®
Pairing cannot be completed.
≥ Check the Bluetooth
®
device condition.
The device cannot be connected.
≥ The pairing of the device was unsuccessful or the registration has
been replaced. Try re-pairing the device. (l 7)
≥ This unit might be connected to a different device. Disconnect the
other device and try re-pairing the device. (l 7)
The device is connected, but audio cannot be
heard through this unit.
≥ For some built-in Bluetooth
®
output to "SC-HC39" manually. Read the operating instructions for
the device for details.
The sound is interrupted.
≥ The device is out of the 10 m communication range. Place the
Bluetooth
device closer to this unit.
®
≥ Remove any interference between this unit and the device.
≥ Other devices that use the 2.4 GHz frequency band, such as
wireless routers, microwaves, cordless phones, etc. are
interfering. Place the Bluetooth
distance it from the other devices.
≥ Select "MODE 1" for stable communication. (l 8)
The One-Touch Connection (NFC feature) is not
working.
≥ Make sure the unit and the NFC feature of the device are turned
on. (l 7)
devices, you have to set the audio
device closer to this unit and
®
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RQT9944
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