Troubleshooting - Aastra DT4X3 User Guid

User Manual
Cordless Phones for MX-ONE™
19

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
No display
No ringing
No change in time & date
setting
Error or Warning Messages
Display shows
No access
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).
No flash driver was
found
Note: This display
message is only shown
in English.
SERVICE NEEDED
Hardware error
Note: This display
message is only shown
in English.
1424-EN/LZT 103 089 B 2014-04-13
Probable cause
The battery level is low or the
handset is defective.
The sound off icon is on, or ringer
volume set to silent, or the handset
is defective.
PBX dependent.
Probable cause
The network is in range, but no
access rights.
The handset is out of coverage or
handset is defective.
Failed to read from flash
There is a communication problem
between components in the handset.
Action or comment
Charge the battery or contact
system administrator.
Long press the Sound off key,
or increase volume, or contact
system administrator.
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.
Action or comment
Switch handset off and then
switch it on again or contact
system administrator.
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.
Send the handset for service.
Restart the handset. If the
problem persists, send the
handset for service.
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