Operating instructions
Appendix
100
Troubleshooting
The following table will help you to resolve problems or malfunctions with your tiptel
345 pro.
Problem Possible cause Solution / recommendation
No display. AC adapter not plugged in. Check all cables and
connections. Check the plug
into another power outlet.
Display is weak or too dark. Display contrast setting
changed.
Adjust the display contrast.
No tone. Volume set to “0”. Adjust the volume.
OGM symbol blinks. No OGM recorded. Record an OGM.
No answering of calls, no
2-way conversation recording.
Connecting cable has no
contact.
Check all cables and
connections.
No answering of calls if
operated with a PABX.
No ringing signal set. Check the telephone system's
programming parameters.
Buzzing sounds or other
interferences during playback.
Interference source nearby the
device, e. g. through a cord-
less telephone, monitor or
similar.
Install in a different place.
No incoming message
recording.
You have selected an OGM
without incoming recording
(announcement only).
Select another OGM or record
new OGM.
No answering of calls, no
function of a telephone
connected afterwards.
Wrong connecting cable,
wrong wiring for the
connection box.
Only use original cables, check
connection boxes (possibly
ask an expert for support).
Wrong or no connection when
operated with a PABX.
You have not entered the trunk
access code, the PABX does
not support DTMF.
Enter trunk access code,
change dialling method.
No automatic call-back when
busy
Call-back code is not entered,
telecommunications provider
or PABX do not support this
function or the function is not
released.
Enter the call-back code.
Ask your telecommunications
provider or your telephone
system manufacturer whether
the function is possible or
needs to be released.