TD 92474EN
31 October 2013 / Ver. H
User Manual
Aastra DT69x DECT Telephones
60
12.
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
telephone is defective.
Charge the battery
Change the screen saver setting
as described in
Screen Saver
on
page 50
Contact system administrator.
No ringing
The sound off icon is on, or ringer
volume set to silent, or the
telephone is defective.
Long press the Sound off key,
or increase volume, or contact
system administrator.
Not possible to switch
off handset by long
pressing the On-hook
key.
Handset, with
In
Charger > Other
actions> Switch off
enabled, is not switched
off when placed in
charger.
A handset restriction preventing
the user to switch off the handset.
Enable the parameter
Possible
to switch off handset
, see the
handset’s Configuration
Manual.
Error or Warning Messages
Display shows
Probable cause
Action or comment
No access
The network is in range, but no
access rights.
Switch telephone off and then
switch it on again or contact
system administrator.
No System. The
telephone 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 telephone is out of coverage
or telephone 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
telephone 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 telephone for service.
