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Troubleshooting
Before requesting service, make the following checks. If you are in doubt about some of the check points, or if
the remedies indicated do not solve the problem, consult your dealer for instructions.
General
The unit does not respond.
• Connect the unit to a computer using the USB charging cord. The unit will be reset. (
Power supply and charging
Cannot charge the unit.
• Make sure the computer is turned on and is not on standby or sleep mode.
• Is the USB port you are currently using working properly? If your computer has other USB ports, unplug the connector
from its current port and plug it into one of the other ports.
• If the measures mentioned above are not applicable, unplug the USB charging cord and plug it in again.
• If the charge time and operating time become shortened, the battery may have run down. (Number of charging times
of the installed battery: Approximately 300.)
LED does not light during charging. / Charging takes longer.
• Is the USB charging cord (supplied) connected firmly to the USB terminal of the computer? (
• Make sure to charge in a room temperature between 10 oC and 35 oC.
The power does not turn on.
• Is the unit being charged? The power cannot be turned ON during charging. (
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Bluetooth
device connection
The device cannot be connected.
• Delete the pairing information for this unit from the Bluetooth
Sound and audio volume
No sound.
• Make sure that the unit and the Bluetooth
• Check if music is playing on the Bluetooth
• Make sure that the unit is turned on and the volume is not set too low.
• Pair and connect the Bluetooth
• Check if the Bluetooth
(
l
12). Also refer to the operating manual for the Bluetooth
Low volume.
• Increase the volume of the unit. (
• Increase the volume on the Bluetooth
®
device are connected correctly. (
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device.
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device and the unit again. (
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compatible device supports "A2DP" profile. For details on profiles, see "Listening to music"
l
12)
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device.
Other
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device, then pair them again. (
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l
9)
®
compatible device.
16
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14)
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7)
7)
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9)
9)
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