Troubleshooting
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Troubleshooting
This section contains information on how to solve common operational problems and warnings
you may receive.
If you cannot resolve the issue contact your system administrator.
If others are experiencing similar problems there may be a system error.
Operational Problems
Fault Probable cause Action or comment
No display The battery level is low, screen saver is
set to “Black also in call” or the handset is
defective.
Charge the battery, change screen saver
setting (Display>Screen saver) or contact
system administrator.
No ringing The sound off icon is on, or the ringer
volume set to silent, or the handset is
defective.
Long press the Sound off key or Mute
button to increase the volume or contact
system the administrator.
No change in
Time & Date
setting
PBX dependent Changes in the handset appear 24 hours
or sooner after a system change or by
turning on and off the handset.