Operating State And Error Displays; System Operating State; System Error Displays; Terminals - Aastra 470 System Manual

6. 6. 2

Operating state and error displays

6. 6. 2. 1

System operating state

During the start-up phase, various self-tests are performed and the individual
phases are indicated with the status LED on the front panel (see
page 241).
When operation is OK, the status LED flashes green, regularly, and once per second
in the display on the front panel. The system is in normal mode. All additional infor-
mation and operating modes are indicated using the colour display on the front
panel (see "Colour display", page
6. 6. 2. 2

System error displays

Whenever the system detects an error, it displays the corresponding error code in
the colour display on the front panel (providing the communication server is still
powered and the display is working). During system startup, if the colour display is
not yet fully functional any errors that occur are indicated with the status LED (see
"Error display with status LED", page
In the event of sporadic errors check the installation for earth loops.
6. 6. 2. 3

Terminals

Tab. 106 Malfunctions on the terminal side
Error description
Digital system phones on the DSI bus display
Configured along with the node number, the slot
number and the port number.
System phones do not obtain dial tone when seiz-
ing a line; display reads Not
Terminals with configurable dialling method
experience sporadic malfunctions whenever con-
trol key is pressed.
Analogue terminals do not obtain a dial tone
when off-hook.
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
244).
243).
Error cause / error handling
Not No terminal has yet been created on the connected port or
an incorrect terminal selection digit (TSD) has been allo-
cated to the terminal:
• Check system and terminal configuration
• Check installation and connecting cable
System is prebarred
available. • Unlock system
• Replace phone or inteface card if necessary
System earth must not be connected on terminals config-
ured for MFV/DTMF (double signalling on Flash/earth key).
No terminal has been created on the connected port or the
terminal created has not been allocated to a user.
• Create a terminal and allocate a user
• Check installation or connecting cable
Operation and Maintenance
"Status LED",
269