User guide

113Dialog 4422 IP Office
Troubleshooting
Troubleshooting
This section contains information on how to solve common
operational problems, and warnings you may receive.
Go through the following list if you encounter any problems. If this
checklist does not c
over the problem, contact your system
administrator. If others have similar problems, there may be a
system error.
Fault / Display Probable cause Action or
co
mment
The phone is
locked
Disturbance on the
net
work.
Press the Clear key,
Mute key and
#
simultaneously for
one or two
seconds. This will
restart the phone.
The access
war
ning triangle
occurs on the
display.
Disturbance on the
net
work or in the
telephone system.
Some features
might not work, but
the phone can be
used for receiving
and making calls.
No connection
to network!
occurs on the
display
There is no
connect
ion to the
network.
Verify that the
phone is
connected to the
network by
checking the
connection.