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Appendix
Appendix
Short troubleshooting guide
In most cases, you can detect error causes and resolve occurring problems or malfunc-
tions by the following troubleshooting table.
Problem
Possible cause
Action
You do not hear a dialling tone
after having picked up the
handset.
Telephone connecting cable,
handset cable, telephone
socket.
Check all cable connections,
check telephone access by
using another telephone,
contact telephone network
provider.
If there is an incoming call, the
telephone only rings once.
Function „room monitoring“
active.
Deactivate „room monitoring“
function.
PIN code forgotten.
Call dealer or manufacturer.
Caller‘s telephone number
is not being displayed, list of
released numbers for ringing
signals and list of restricted
numbers for ringing signals
without function.
The feature function „CLIP“
(calling line identification
presentation) is not possible
with your telephone network
provider or this function has
not been released.
Contact your telephone net-
work provider.
No ringing signal for incoming
calls.
Ringing signal is deactivated.
Activate ringing signal.
Telephone always dials the
same telephone number.
Direct call function is active.
Deactivate direct call function.
Dialling process is interrupted. Dialling restriction is active.
Deactivate dialling restriction.
As for connection at a PABX:
No line or wrong line after
dialling from the memory (e. g.
speed dialling).
- Exchange identification
code / main system identi-
fication code not entered
- Access code to public
exchange not stored.
- Enter EIC / PSIC and
possibly program dialling
pause
- Store access code to pub-
lic exchange with the tele-
phone numbe.
As for connection at a PABX:
Recall key without function.
Recall key function not set
correctly.
Change recall key function.
