AASTRA DT690 for BusinessPhone User Guide EN - Manual (Page 122)

1424-EN/LZT 103 092 Uen D 2010-02-12 122
T ROUBLESHOOTING
No system
The phone 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 phone is out of
coverage or phone is
defective. Stop the beep by
pressing .
Then go into range,
or contact the system
administrator. (When
you enter the
coverage area again,
it takes a few minutes
before the phone
registers into the
system again.)
SERVICE NEEDED
Parameters
corrupt
Note:
This display
message appears in
English only.
The phone is
defective. Select the reset
option on the middle
soft key and upgrade
the phone’s software.
If no reset option is
available, or if the
error is not resolved,
the phone needs
repair.
Send the phone to
service.
SERVICE NEEDED
Invalid IPDI
Note:
This display
message appears in
English only.
Easy replacement
procedure not
followed correctly or
failure during easy
replacement
procedure. Send the phone to
service.
Battery low,
charge now
The battery level is
low. Charge or replace
the battery.
Enter IPEI
The phone is
blocked, that is, if you
have entered the
wrong PIN code
more than three
times. Enter the IPEI code
and press
.
Display shows Probable cause Action or comment