Sennheiser PXC 550 Instruction Manual page 47

Troubleshooting
Problem Possible cause
Headphones Headphones are
and switched off
smartphone
cannot
Smartphone does not
connect using
support NFC pairing
Bluetooth/NFC
Headphones are in
flight mode or the
audio cable is plugged
into the audio input
Bluetooth is
deactivated on the
headphones
Headphones Bluetooth is
do not deactivated on the
automatically headphones
go to pairing
Headphones must have
mode
been paired previously
to some devices
Headphones Bluetooth is
do not go to deactivated on the
pairing mode headphones
after the
Music is playing
4-second press
through the
of the Effect
headphones or a call is
Mode Control
in progress
button
Headphones Ear pads are not
do not attached properly after
attenuate the replacement/removal
ambient noise
even though
NoiseGard is
active
Audio Smart Pause is active
stops when and adjusting or
adjusting the taking the headphones
headphones off triggers a pause
command
If you encounter a problem that is not listed in the table, or if the solutions
provided do not work, please contact an authorized Sennheiser service partner
for assistance.
To find a Sennheiser service partner in your country, visit www.sennheiser.com.
Possible solution
Ensure that the
headphones are switched
on during pairing
Pair the headphones and
the smartphone manually
using Bluetooth
Activate Bluetooth on the
headphones and/or unplug
the audio cable from the
audio input
Activate Bluetooth on the
headphones
Activate Bluetooth on the
headphones
Press the Effect Mode
Control button for
4 seconds
Activate Bluetooth on the
headphones
Restart the headphones
by switching them off and
on again. The headphones
cannot go to pairing mode
when music is being played
or calls are being made
Ensure that ear pads are
securely hooked to all
corners of the ear cups
Ensure that the
headphones fit
comfortably around the
ears with gentle pressure
Deactivate Smart Pause in
CapTune if necessary
PXC 550
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