AGFEO AC 14 analog, Operating Manual

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A - 3 Appendix
A
Behaviour in the event of faults
Fault Possible causes Remedy
Programming of Reset the telecommunications system
telecommunications
system unclear
Reset the telecommunications system to the
as-delivered state and reprogram
No dialling tone on Power failure Check mains connection, fuses
lifting the handset
Defective terminal Check terminal at another connection
Defective installation Check the terminals in the socket and on the
telecommunications system
No internal calls Do not disturb switched on Switch off do not disturb
are received (special dialling tone)
Diversion to another Switch off diversion
telephone (internal/external)
(special dialling tone)
No external calls Wrong MSN entered Enter right MSN, delete all if necessary
are received
MSN – internal subscriber Assign internal subscriber to the MSN
assignment missing (ringing assignment)
Do not disturb switched on Switch off do not disturb
(special dialling tone)
Diversion to another Switch off diversion
telephone (internal/external)
(special dialling tone)
ISDN call forwarding is active Deactivate ISDN call forwarding
No outgoing external No authorisation Check authorisation, access to ISDN network,
connection possible programmed assignment of barred numbers
Cost limit reached Inform system administrator
Transfer of external The refer back key
r
on the Set the telephone to DTMF (tone dialling) and the
call (refer back) not telephone is set as an earth refer back key to flash
possible key
Incorrect flash time Set the flash time on the telephone or on the
telecommunications system for the terminal
connection concerned