What To Do In The Event Of Malfunctions - AGFEO basic-line plus AS 140 Operation And Program Manual

4
Annex

What to do in the event of malfunctions

Malfunction Possible causes
Telephone system
programming
unclear
No dial tone after Power failure
lifting the receiver
Terminal defective
Incorrect installation
No internal calls Do not disturb
arrive (special dial tone)
Diversion to another
telephone (internal/
external) (special dial tone)
No external calls Do not disturb
arrive (special dial tone)
Diversion to another
telephone (internal/
external) (special dial tone)
ISDN call forwarding is
active
Point-to-point
connection: System
phone number missing
Point-to-multipoint
connection:
- MSN missing
- MSN-internal user
assignment missing
The inquiry key r on
Forwarding an
external call the telephone is set
(inquiry) is not as an earth key
possible
Wrong flash time
4 - 4
Remedy
Reset the telephone system
Reset the telephone system to the
"as-delivered" settings and reprogram it
Check mains connection/fuses
Check terminal on another connection
Check connections at the connection
socket and on the telephone system
Turn off do not disturb
Turn off diversion to
Turn off do not disturb
Turn off diversion to
Deactivate ISDN call forwarding
Enter the system phone number
Enter the MSN
Assign the internal user to the MSN
(ringing distribution)
Set the telephone to DTMF and set
the inquiry key to flash
Set the flash time on the telephone.
(AS 140 to AS 191: 70 ... 120 ms,
AS 31 ST, AS 32: 50 ... 150 ms)