Troubleshooting
Troubleshooting
This section contains information on how to solve common operational problems, and warnings you may receive.
Go through the following lists if you encounter any problems. If this checklist does not solve the problem, contact your system administrator.
If others have similar problems, there may be a system error.
Operational problems
Fault | Probable cause | Action or comment | |
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No display | The battery level is low or the | Charge the battery or contact | |
| telephone is defective. | system administrator. | |
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No ringing | The ringer off icon is on or ringer | Long press on the Sound off | |
| volume set to silent or the | key, or increase volume, or | |
| telephone is defective. | contact system administrator. | |
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| |
No change in time & | PBX dependent. | Changes in the telephone | |
date setting |
| appear after a maximum of 24 | |
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| hours after a change in the | |
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| system or by tuning the | |
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| telephone off and on again. | |
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| |
Ring volume cannot be | If the handset parameter Disable | This is a handset Administrator | |
set to level 0 | permanent mute is enabled by | setting. See Installation and | |
Or, | WinPDM or AIWS device | Administration Manual, DECT | |
manager, it is not possible to turn | R4. | ||
Not possible to mute | |||
off the sound. |
| ||
the telephone by long |
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| |
pressing the Sound off |
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key or Mute button. |
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Error or warning messages
Display shows | Probable cause | Action or comment |
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No access | The network is in range, but no | Switch telephone off and then |
| access rights. | switch it on again or contact |
|
| system administrator. |
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Avaya 3720 DECT Telephone - User Guide | 11/2010 59 |