MERLIN LEGEND Communications System Release 6.1
System Manager’s Guide
555-661-118
Issue 1
August 1998
Troubleshooting the System
Page 8-3Some Phones Are Dead (No Dial Tone or Lights)
8
■ If the appliance works, the wiring may be faulty elsewhere in the system.
Call the Lucent Technologies Helpline at 1 800 628-2888 (consultation
charges may apply).
Some Phones Are Dead
(No Dial Tone or Lights) 8
Possible Cause 1: The telephones are not receiving power.
What to do: Check that each telephone is plugged into a telephone wall jack
known to be working.
■ If the phones now have dial tone and lights, there may be a problem with
the system wiring or the control unit associated with the faulty phone(s).
Call the Lucent Technologies Helpline at 1 800 628-2888 (consultation
charges may apply).
■ If the phones are still dead, go to Possible Cause 2.
Possible Cause 2: For single-line telephones, the Idle Line Selection may be set
incorrectly. (If not a single-line telephone, skip to Possible Cause 4.)
What to do: Use centralized telephone programming to ensure that the
Ringing/Idle Line Preference is set to On (see Chapter 4 in
System
Programming
). Check to see whether the phone now has dial tone.
■ If the phone receives dial tone, you have solved the problem.
■ If the phone is still dead, go to Possible Cause 3.
Possible Cause 3: For single-line telephones, the Auto Line Selection may be set
incorrectly; see Chapter 4 in
System Programming
. (If not a single-line telephone,
skip to Possible Cause 4.)
What to do: Use centralized telephone programming to set the Auto Line
Selection for the extension. Check to see whether the phone now has dial tone.
■ If the phone receives dial tone, you have solved the problem.
■ If the phone is still dead, go to Possible Cause 5.
NOTE:
The following procedure may help Lucent Technologies Helpline
technicians analyze your problem. However, you should not perform this
procedure unless you have experience removing the control unit cover and
working with control unit extension jacks. Before proceeding, consult
system planning Form 2a, System Numbering: Extension Jacks.
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