AT&T Merlin II Release 3 System Manual page 181

PHONE DOESN'T RING
PHONE RINGS EVERY 5
SECONDS OR
CONSTANTLY
PHONE RINGS WHEN IT
SHOULD NOT
4-2 Troubleshooting Procedures
Volume control switch setting is too low. Slide the switch to a higher
setting.
Telephone is programmed for no ring. Change the ringing option by
following the instructions under "Ringing Options" in Section 3,
"Reference."
Do Not Disturb feature is activated. Deactivate the feature following the
instructions under "Do Not Disturb" in Section 3, "Reference."
Call Forwarding or Follow Me has been activated on your phone. Your
calls are being forwarded to another phone. On your phone, deactivate
Call Forwarding or Follow Me. See instructions under "Call Forwarding
and Follow Me" in Section 3, "Reference."
Telephone should be assigned to Night Service. See "Night Service" in
Section 3, "Reference," for details.
If you have a single line set, the Frequency Generator required to make it
ring may be missing or faulty. Dial the number for another single line
set in your company. If that phone doesn't ring, contact your authorized
AT&T representative.
If your system type is pooled, lines may be assigned incorrectly to your
telephone. See "Line Assignments in Pooled Systems" in Section 3,
"References," for details.
Phone is in test or programming mode. Check the position of the T/P
switch. If it is set to either T or P slide it to the center position. If the
ringing continues, the phone may be in programming mode from the
attendant console. If the attendant is not programming the phone, the
phone is faulty; call your authorized AT&T representative.
Digital phone is in programming mode. Dial #00 to exit programming
mode. If the phone continues to ring, it may be in programming mode
from the attendant console. If the attendant is not programming the
phone, the phone is faulty; call your authorized AT&T representative.
The system is in administration mode. The ringing will stop when the
administrator completes programming the phone.
Phone is erroneously assigned to a Night Service group. See "Night
Service" in Section 3, "Reference," for details.
Your phone is programmed to cover someone else's calls. Follow the
instructions under "Call Coverage" in Section 3, "Reference," to remove
this cover feature from your phone.
Call Forwarding or Follow Me was activated to ring at your phone. See
"Call Forwarding and Follow Me" in Section 3, "Reference," to deactivate
the feature at the phone whose calls are being sent to you.
In a pooled system, too many lines are assigned to your phone. See "Line
Assignments for Pooled Systems" in Section 3, "Reference," to reassign
the lines.