AASTRA DT590 for MX-ONE User Guide EN - Manual (Page 101)

101 DT590
Troubleshooting
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.
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 Ringer off icon
is on or the phone
is defective.
Press the Mute key
and the Yes key 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.
Display shows Probable cause Action or
comment
Enter PIN PIN code is
missing.
Enter the required
PIN code.
No access The network is in
range, but no
access rights.
Re-subscribe.
No system Cannot connect to
the network.
Contact system
administrator.