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 |
|
|
|
No display | The battery level is low or the | Charge the battery or contact |
| telephone is defective. | system administrator. |
|
|
|
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. |
|
|
|
No change in time & | PBX dependent. | Changes in the telephone |
date setting |
| appear after a maximum of 24 |
|
| hours after a change in the |
|
| system or by tuning the |
|
| telephone off and on again. |
|
|
|
Error or warning messages
Display shows | Probable cause | Action or comment |
|
|
|
No access | The network is in range, but no | Switch telephone off and then |
| access rights. | switch it on again or contact |
|
| system administrator. |
|
|
|
No System. The | The telephone is out of coverage | Stop the beep with the Silent |
telephone beeps once | or telephone is defective. | off key and go into range. |
a minute (during max |
| Note: When |
30 minutes) with a low |
| coverage area it can take a |
tone followed by a high |
| couple of minutes before the |
tone (if enabled, the |
| telephone automatically has |
vibrator also follows |
| registered into the system. |
the beeps). |
| or |
|
| |
|
| contact system administrator. |
|
|
|
Avaya 3720 DECT Telephone - User Guide | 02/2009 59 |