IP P
HONE
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20
Troubleshooting
This chapter 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 cover the
problem, contact the system administrator. If others have similar prob-
lems, there may be a system error.
Fault / Display
Probable cause
Action or comment
The phone is locked
Disturbance on the
network.
Press
)
and
#
simultaneously for one
or two seconds. This will
restart the phone.
The access warning
triangle appears in the
display.
Disturbance on the
network or in the
telephony system.
Although some features
may not work, the phone
can be used for receiving
and making calls.
If the trouble persists,
contact the system
administrator.
No connection to
network!
(Message appears in
the display)
There is no
connection to the
LAN.
Verify that the phone is
connected to the network
by checking the LAN
cable between the LAN
port and the phone.
