Avaya 3910 Guida Utente
System Phone Display Does Not Work
Possible Cause: Date, day, and time are not set properly.
What to do: Re-enter the date, day, and time using System Date (#101), System Day
(#102), and System Time (#103).
(#102), and System Time (#103).
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If the display is correct, the problem is solved.
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If the display is still not correct, see “System Phone Does Not Work.”
System Phone Does Not Work
Possible Cause 1: Phone needs to be reset.
What to do: Unplug the cord from the base of the problem phone and (with the handset
hung up) plug the cord in again.
hung up) plug the cord in again.
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If the phone works properly, the problem is solved.
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If the problem remains, go to Possible Cause 2.
Possible Cause 2: The telephone is defective.
What to do: Unplug the cord from the base of the problem phone and plug the cord into a
phone that you know works.
phone that you know works.
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If the replacement phone works, the problem phone is faulty. Call the AT&T Helpline*
to arrange for a replacement.
to arrange for a replacement.
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If the replacement phone does not work, go to Possible Cause 3.
Possible Cause 3: The telephone cord is defective.
What to do: Unplug the cord from the base of the phone and the wall jack. Replace the
cord with a cord that you know works.
cord with a cord that you know works.
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If the phone works, the cord is faulty. Call the AT&T Helpline* to arrange for a
replacement.
replacement.
If the phone does not work, and it is part of a combination extension, see “Problems
If the phone does not work and it is not part of a combination extension, call the
AT&T Helpline.*
AT&T Helpline.*
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In the continental U.S., help is available at 1 800 628-2888. Outside the continental U.S., call your local
AT&T Authorized Dealer.
AT&T Authorized Dealer.
Troubleshooting
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