Troubleshooting
Troubleshooting
This chapter contains information on how to solve common operational problems and is mainly
targeted towards the handset end users. If this checklist does not solve the existing problem, it is
recommended to contact the system administrator for support.
NOTICE:
If others users have similar problems, there may be a system error.
Table 3: Operational problems
Fault
Probable cause
Action or comment
Not possible to switch off the
handset.
The handset is most likely
configured to restrict the user
from switching the handset off.
Contact the system adminis-
trator for support. Ask to turn
off the
Block switch off
pa-
rameter to have no further re-
strictions.
Cannot use the handset. The
dialog window appears saying
that the handset is locked
Phone lock is activated.
– Enter the required PIN code.
– If the PIN code has been
lost, contact the system ad-
ministrator for support.
No entries in the Call list.
The handset is most likely
configured to prevent calls
from being saved in the Call
list.
Contact the system adminis-
trator for support. Ask to turn
on the
Call list
parameter to
store outgoing and incoming
calls.
The battery level is empty.
Charge or replace the battery.
The display stays dark.
Power save mode is enabled. Change the brightness on
the handset by going into the
Settings
menu →
Display
>
Brightness
. Select
Normal
.
There is no ring signal.
The handset is muted.
The
Silent off
icon
in
the status bar shows that the
handset is muted.
In idle mode, press and hold
the
Sound off
key
or
the mute button to unmute the
handset.
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