Appendix
Troubleshooting
Power failure
The device cannot function during a power failure. All preferences
will however be saved, so when the power supply is restored the de-
vice's preferences will remain just as they were before.
Please try first of all to narrow down the cause and rectify the prob-
lem with the aid of the following table.
Problem Possible cause Solution/recommendati
on
No display
The device is not
plugged in.
Check all cables and plug
connections. Perhaps try
another wall socket.
No tone The volume is set to zero Turn the volume up
No calls are coming in The device is not
switched on
Switch the device on
with the "On/Off" key.
The LED will light up
No answer with
telecommunications
systems
Telecommunications
system has no signal.
Check the
telecommunications
system's programming.
Buzzing or other
interference during
playback
Interference from e.g.
cordless telephones,
monitors etc.
Change the installation
location
No incoming calls,
connected telephone not
working
Incorrect connection
cable, sockets
incorrectly wired.
Only use original cables
to check that the sockets
are working (you may
wish to call in a
technician)
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