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Interfaces and Terminals as of I7.8
98
Terminals
sy
d-
023
9/2.
4
– I7.
8
– 0
7
.2009
3. 7. 2
Malfunctions of the DECT handsets
Tab. 24
Malfunctions of the DECT handsets
3. 7. 3
Malfunctions of the DECT charging bays
Tab. 25
Malfunction of the DECT charging bay Office 135
Error description
Error cause / error handling
No display.
• Switch handset on and test
• Replace or charge battery
No radio link to radio unit; no aerial symbol.
Check coverage area (within range of a radio unit).
• Check radio units in this section
Handset not logged on to system
• Log handset on
Impossible to dial.
Keypad blocked (keylock)
• Reactivate keypad
No dial tone.
• Check radio units in this section
Poor connection quality (echo effect).
• Activate echo compensation
Handset beeps approx. every 10 s during a call (or
in standby) while battery indicator is flashing.
• Replace battery immediately, either after or during the
call (see handset operating instructions)
Call breaking up.
You are moving out of range.
• Find a location with a better radio contact
A handset is called from a different system termi-
nal, but cannot be reached.
Busy tone obtained and display reads
Busy
• Handset is busy
Congestion tone obtained and display reads
Circuit over-
load
• All radio channels busy
If congestion tone is obtained after 8 seconds and display
reads
No answer
. Reasons why handset could not be
reached:
• Handset switched off
• Handset not within reachable radio area
• No radio channels currently available
• Handset not logged on to system
• Call diverted due to unobtainable
Handset not ringing.
• Activate tone ringing
Handset cannot be configured; PIN missing (or for-
gotten).
• Reset PIN using AIMS (overwrite)
Error description
Error cause / error handling
Handset will not charge.
• Connect power supply
• Check the charging contacts
• Check battery and replace if necessary.
About the charging process:
• Battery symbol on handset flashes when battery is being
charged.
• Check tone indicates correct contact.