7 Troubleshooting
Problem
Possible cause
Remedy
Support info 30 – 34 is
shown for more than 3
minutes
Technical error while
establishing the network
connection.
Disconnect the set-top
box from the mains
network for about
5 minutes. Contact your
provider if necessary.
Support info 40 – 85
Technical error during a
software update.
Disconnect the set-top
box from the mains
network for about
5 minutes. Contact your
provider if necessary.
Support info 65
No connection to the
NTP server.
Check the network
settings of the router.
Contact your provider if
necessary.
The set-top box does not
respond to the remote
control
The Bluetooth receiver
on the set-top box has
crashed.
Disconnect the set-top
box from the mains
network for about
5 minutes. Contact your
provider if necessary.
No mains connection.
Check that the power
supply unit and cable are
properly connected.
Defective cable
connection.
Check cable connections
to make sure they are
tight.
No picture
Incorrect HDMI source.
Configure the HDMI
source of the TV set on
the set-top box.
Poor picture quality
Incompatible HDMI
cable.
Only use the supplied
high-speed HDMI
®
cable.
Table 1:
Troubleshooting
In case of further issues, contact your network operator.
P550 Switch | 9
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