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User Manual
Cordless Phones for BusinessPhone™
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
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.
AMT/PUD/TR/0119/1/2/EN 2012-08-13
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.
81
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