Troubleshooting
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Troubleshooting
Your call partner cannot hear you or you cannot hear your call partner
Make sure the handset cord is correctly plugged into both the handset and the telephone (see "Installa-
tion and First-Time Operation").
Handset off-hook, no dialling tone, no display
Make sure the phone cord is correctly plugged in to both the telephone and the telephone socket (see
"Installation and First-Time Operation").
Display shows "Incorrect phone type" – Indicator LED is flashing slowly in
idle state
The phone registered originally was of a different type. The settings available (i.e. the telephone's phone
book, the freely configurable keys) are not your own but those of the phone registered originally.
To register your phone, go to the "Phone book" menu. Press "Edit". The display shows "Log on new
set". Press "Yes". The LED goes out: Your phone is now registered. Press the END key to return to idle
state.
The personal settings taken from the original phone are not altered by the logon procedure.
Display is working, but connection is not possible
Your phone may be locked. Unlock your phone (see "Locking/unlocking your phone").
Configurable keys cannot be configured
The configuration may be locked. Unlock your phone (see "Locking/unlocking your phone").
The display shows: "Trying to Register"
The telephone cannot be registered. Consult your system administrator.
The display shows: "Connection Overloaded"
The line is too long. There is not enough power available when two phones are connected. Consult your
system administrator.
Insufficient display contrast
The setting for the display contrast is inadequate. Alter the setting in the configuration mode, see "Setting
the Display Contrast".
Note
For all other messages, consult your system administrator.
All manuals and user guides at all-guides.com