Problem Solving - Philips HC 8520 Instructions For Use Manual

10 ENGLISH
Problem
Headphone fails
to charge
No sound/
distorted sound
13 Press and hold the AUTO-TUNING BUTTON on the headphone for
about 1 second to tune to the correct transmission channel.
The headphone will automatically tune to the transmitter.
14 In case interference from neighbouring transmitters has occured, adjust
the transmission channel of the transmitter, then repeat step 13 to tune
the headphone to the transmitter.
15 Adjust the volume of the headphone to the desired listening level.
IMPORTANT!
• Avoid adjusting the listening volume level at the audio source as
this may compromise the audio quality on too low input levels.

Problem solving

If a fault occurs, first check the points listed below. If you are unable to
remedy a problem by following these hints, contact the helpline
(see 'Need help?') or consult your dealer.
Never try to open the set yourself as this will void the guarantee.
First, check all cables to ensure that they are connected correctly.
Possible Cause
No battery installed
Wrong battery orientation
No power supply
Charging pin of the docking station Lock the headphone in place, and
not in contact with the metal
plate of the headphone
Wrong headphone orientation
when placed onto the charging
dock
Headphone power off
No battery installed
Solution
Follow step 1 to 4 of
'Installing/replacing the batteries'
Reposition the batteries according to
the engraved polarity symbol.
Make sure the docking station is
connected to the local mains power
supply through an adapter and follow
steps 5 to 7.
make sure the CHARGE
INDICATOR light is on.
Reposition the headphone with
correct orientation.
Push the POWER ON/OFF
BUTTON. The POWER ON/OFF
INDICATOR light turns on automatically
indicating the headphone is on.
Follow step 1 to 4 of
'Installing/replacing the batteries'