Appendix
80
Appendix
Troubleshooting
Some malfunctions can be resolved without outside intervention. The fol-
lowing table provides a list of such malfunctions. All other malfunctions
should be reported to the relevant service personnel.
Error
Possible cause
Remedy
No display.
The handset is not
switched on.
Press the On-hook key
until confirmation is
received.
Batteries are empty.
Charge or replace the
batteries.
You cannot dial an
external number.
The handset is locked.
Unlock the handset.
No reaction to
keystroke.
Keypad lock activated.
Press the hash key until
confirmation 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
applicable, consult the
operating instructions.
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 not registered. Register the handset.
Intervals between
synchronisation
attempts are too long.
Switch off the handset
and switch it back on
again.
No ringer on the
handset.
The ringtone is
deactivated.
Activate ringer.
"Do Not Disturb" is
activated.
Deactivate "Do Not
Disturb".
