Aastra DT692 User Manual page 135

1424-EN/LZT103 088 Uen H 2014-04-03
Error or warning messagesED error indication
Display shows
No access
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).
No flash driver
was found.
Note: This display
message is only
shown in English.
SERVICE NEEDED
Hardware needed
Note:
This display
message appears in
English only.
SERVICE NEEDED
Parameters
corrupt
Note:
This display
message appears in
English only.
Probable cause
The network is in
range, but no access
rights.
The phone is out of
coverage or phone is
defective.
Failed to read from
flash
There is a
communication
problem between
components in the
telephone
The phone is
defective.
T
ROUBLESHOOTING
Action or comment
Switch off the phone
and then switch it on
again.
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.)
Send telephone for
service
Send the telephone
for service.
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.
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