Appendix
88
Appendix
Troubleshooting
Some malfunctions can be resolved without outside intervention. The fol-
lowing table provides a list of such malfunctions.
Error Possible cause Remedy
No display. Handset not switched
on.
Press the On-hook key
until confirmation is re-
ceived.
Battery is empty. Charge or replace the
battery.
No reaction to key-
stroke.
Keypad lock activated. Press the hash key until
confirmation is re-
ceived.
De-crescendo tone se-
quence during input.
An incorrect entry was
made.
Repeat key sequence
while watching the dis-
play; where applicable,
consult the operating
instructions.
The line "Base n" flash-
es (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 not regis-
tered.
Register the handset.
Intervals between syn-
chronisation attempts
are too long.
Switch off the handset
and switch it back on
again.
No ringer on the hand-
set.
Ringer is deactivated. Activate ringer.
Nothing audible during
a call.
The left side of the con-
trol key was pressed –
the microphone and
the receiver inset are
muted.
Press the "Go Back"
Display key to re-acti-
vate the microphone
and the receiver inset.
The following appears
immediately after the
Talk key is pressed:
Connect.
No dial tone available;
No calls can be made.
Communication sys-
tem is being used by
other users.
Repeat call later.
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