Malfunction Of The Aastra Dect Radio Unit; Malfunctions Of Aastra Dect Cordless Phones - Mitel Aastra 470 System Manual

Operation and Maintenance
On an SB-8ANT radio unit the middle LED indicates whether the internal or external
antennas are active. If the LED is lit green, the external antennas are active.
Note:
After the system initialization the radio unit starts in status "DSI ok". It is
only ready to operate once at least one DECT user has been entered in
the numbering plan or once in WebAdmin the parameter DECT system
status has been set to Active.
6. 6. 2. 5

Malfunction of the Aastra DECT radio unit

Tab. 101 Malfunction of the Aastra DECT radio unit
Error description
No radio connection in a coverage area.
Radio unit not activated.
6. 6. 2. 6

Malfunctions of Aastra DECT cordless phones

Tab. 102 Malfunctions of Aastra DECT cordless phones
Error description
No display.
No radio link to radio unit; no aerial symbol.
Impossible to dial.
252
Error cause / error handling
Check LED on radio unit:
LED is flashing red (short red phase):
• Check power supply / line length of DSI bus cable
LED is flashing red (long red phase):
• Check DSI bus cable
• Unplug DSI bus cable for one minute, then reconnect
LED is flashing green (long green phase):
• All B channels busy
LED on radio unit is flashing red/green (various patterns):
• Radio unit in startup phase
LED on radio unit is flashing red (long red phase):
• Radio unit defective
If LED on radio unit not flashing:
• Check trunk connections
• Radio unit defective
• LED of the radio units deactivated throughout the system
Error cause / error handling
• Switch cordless phone on and test
• Replace or charge battery
Check coverage area (within range of a radio unit).
• Check radio units in this section
Cordless phone not registered with the system
• Cordless phone registered
Keypad blocked (keylock)
• Unlock keypad
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014