Troubleshooting - Philips 4000 Series User Manual

5 Troubleshooting

Note
•
Never remove the casing of the product.
To keep the Warranty valid, never try to
repair the system yourself.
If you encounter problems when using
this unit, check the following points
before requesting service. If the problem
remains unsolved, go to the Philips
website (www.philips.com/support).
When you contact Philips, ensure that
your unit is nearby and the model
number and serial number are available.
No power
• Ensure that the unit is fully charged
or connected with a power source.
• Ensure that all the required cables
are securely connected.
• Ensure that the unit is switched on.
• To save power, the unit switches to
standby automatically 15 minutes
after a play reaches the end and no
control is operated.
No sound
• Adjust the volume.
• Check the sound input source.
No response of button or function error
• Press and hold Vocal fader and
buttons for 10 seconds to force
shutdown, then turn on the unit
again to be used normally.
Cannot display some files in USB device
• The number of folders or les in the
USB device has exceeded a certain
limit. This phenomenon is not a
malfunction.
• The formats of these les are not
supported.
USB device not supported
• The USB device is incompatible with
the unit. Try another one.
About Bluetooth device
The audio quality is poor after connection
with a Bluetooth-enabled device
• The Bluetooth reception is poor.
Move the device closer to this
product or remove any obstacle
between them.
Cannot connect with the device
• The Bluetooth function of the device
is not enabled. Refer to the user
manual of the device for how to
enable the function.
• This product is already connected
with another Bluetooth-enabled
device. Disconnect that device and
then try again.
The paired device connects and
disconnects constantly
• The Bluetooth reception is poor.
Move the device closer to this
product or remove any obstacle
between them.
• For some devices, Bluetooth
connection may be deactivated
automatically as a power-saving
feature. This does not indicate any
malfunction of this product.
EN 19