AASTRA DT4x3 for BusinessPhone User Guide EN - Manual (Page 87)

AMT/PUD/TR/0119/1/2/EN 2012-08-13
User Manual
Cordless Phones for BusinessPhone™
81
15 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
Error or Warning Messages
Fault Probable cause Action or comment
No display The battery level is low or the
handset is defective. Charge the battery or
contact system
administrator.
No ringing The sound off icon is on, or
ringer volume set to silent, or the
handset is defective. Long press the Sound off
key, or increase volume, or
contact system
administrator.
No change in time &
date setting PBX dependent. Changes in the handset
appear after a maximum of
24 hours after a change in
the system or by turning the
handset off and on again.
Display shows Probable cause Action or comment
No access The network is in range, but no
access rights. Switch handset off and then
switch it on again or contact
system administrator.
No System. The
handset beeps once a
minute (during max 30
minutes) with a low
tone followed by a
high tone (if enabled,
the vibrator also
follows the beeps). The handset is out of coverage
or handset is defective. Stop the beep with the Sound
off key and go into range.
Note: When re-entering the
coverage area it can take a
couple of minutes before the
handset automatically has
registered into the system.
or
contact system administrator.
No flash driver was
found
Note:
This display
message is only
shown in English.
Failed to read from flash Send the handset for service.
SERVICE NEEDED
Hardware error
Note:
This display
message is only
shown in English.
There is a communication
problem between components in
the handset. Restart the handset. If the
problem persists, send the
handset for service.