User guide

Troubleshooting
20 Troubleshooting
This section contains information on how to solve common operational
problems, see Table 8 on page 115, and warnings, see Table 9 on page 115,
you may receive. Go through the following lists if you encounter any problems.
If the checklists do not solve the problem, contact your system administrator. If
others have similar problems, there may be a system error.
Table 8 Operational problems
Fault Probable cause Action or comment
No display The battery level is
low or the phone is
defective.
Charge the battery
or contact system
administrator.
No ringing
The mute icon
is
shown in the display,
or ringer volume set to
silent, or the telephone
is defective.
Make a long press
on
, or increase
volume, or contact
system administrator.
Signal strength icon off Out of system coverage
area or the phone is
defective.
Enter coverage area
or contact system
administrator.
Call is switched off after
2 seconds
The phone is defective. Contact system
administrator.
Table 9 Error or warning messages
Display shows Probable cause Action or comment
Enter PIN
The telephone’s lock
is
activated.
Enter the required PI
N
code. If PIN code lo
st,
contact your syst
em
administrator.
No access
The network is in range,
but no access rights.
Switch telephone off
and then switch it on
again or contact system
administrator.
1151424-EN/LZT 103 088 Uen A2 2008-11-21