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5603 Wireless Handset User Guide
45
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.
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.
SERVICE NEEDED
Parameters corrupt
The handset is defective. Select reset option on the middle
soft key if available or if no reset
option is available or fault does not
resolve the handset needs repair.
Note: Display message only
shown in English.
SERVICE NEEDED
Invalid IPDI
Note: This display
message is only shown in
English.
Easy replacement procedure not
followed correctly or failure during
easy replacement procedure.
Send the handset for service.
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