Appendix
99
Appendix
Troubleshooting
Some malfunctions can be resolved without outside intervention. The following table provides a
list of such malfunctions. All other malfunctions should be reported to the relevant service person-
nel.
Error
Possible cause
Remedy
No display.
Handset is not switched on.
Press the On-hook key until con-
firmation is received.
Batteries are empty.
Charge or replace the batteries.
You cannot dial a phone num-
ber.
Handset is locked.
Unlock handset.
No reaction to keystroke.
Keypad lock activated.
Press the hash key until confir-
mation is received.
The key is stuck.
Release the key.
De-crescendo tone sequence
during input.
An incorrect entry was made.
Repeat key sequence while
watching the display; where ap-
plicable, consult the operating
manual.
The line "Base n" flashes (n=
1 - 4).
The handset is outside the
base radio range; radio signals
too weak.
Come closer to the base radio
range, change your position.
Handset is not registered.
Register handset.
Intervals between synchroniza-
tion attempts are too long.
Switch off the handset and
switch it back on again.
No ringtone on the handset.
Ringer is deactivated.
Activate ringer.
"Do Not Disturb" is activated.
Deactivate "Do Not Disturb".
Nothing audible during a call. The "R key" was pressed – the
microphone and the earpiece
inset are muted.
Press the "Delete" display key to
re-activate the microphone and
the earpiece inset.
The following appears imme-
diately after the Talk key is
pressed:
Connect.
No dial tone available; no calls
can be made.
Communication system is be-
ing used by other users.
Repeat call later.
The following, for example,
appears:
Base 1
Outgoing and incoming calls
and activation/deactivation
are not possible.
Handset is blocked.
Remove the batteries from the
handset and then re-insert them.
Proceed as when loading batter-
ies for first time
The following appears:
Time exceeded
Maximum input time was ex-
ceeded.
Avoid long pauses between key-
strokes.
The On-hook key was not
pressed.
Press the On-hook key.
The following appears:
Please try later
The communication system is
overloaded.
Wait and try again later.