AT&T MERLIN 410 Installation Manual page 28

TROUBLESHOOTING TABLE (CONTINUED)
Possible Cause
Trouble
Faulty network inter-
You have difficulty
placing outside calls face line adapter
from more than one
voice terminal.
(continued)
Volume control
A voice terminal
doesn't ring. switch
Voice terminal pro-
grammed not to ring
Do Not Disturb
feature is activated
(applies only if you
have a Feature
Package)
There is trouble with Faulty voice terminal
voice terminal lights,
speaker, or ringing.
Do this
5. Replace the network inter-
face line adapter with another
one. Plug the basic
telephone into each of the
jacks, and try to place an out-
side call.
1. Check the volume control
setting on the voice terminal.
Slide the switch to a higher
setting.
2. Refer to the user's guide to
learn how to program ringing
options.
3. Refer to the user's guide that
came with the Feature
Package.
1. Slide the T/P switch on the
side of the voice terminal to
the T position and hold it
there.
2. Unplug the malfunctioning
voice terminal, and in its
place plug in a working voice
terminal. Slide its T/P switch
to the T position and hold it
there.
If
the trouble still appears on the
basic telephone
the trouble does not appear on
the basic telephone
the trouble persists
voice terminal is programmed
not to ring
the voice terminal is pro-
grammed to ring
the feature is activated
the feature is not activated
all the red and green lights flash
alternately, and a tone sounds
continually
some (but not all) of the lights
flash continually and/or a tone
sounds at irregular intervals
all lights are off and a tone
sounds continually or irregularly
the same trouble appears on the
working voice terminal
the trouble does not appear on
the working voice terminal
Then
your outside telephone lines are
faulty. Report the trouble to your
local telephone company
representative.
the old line adapter is faulty.
Replace it with a new line adapter.
go to step 2.
change the ringing option accor-
ding to the instructions in the
user's guide.
go to step 3.
deactivate the feature following the
instructions in the User's Guide.
refer to the test for "Trouble with
lights, speaker, and ringing."
the voice terminal is working pro-
perly. Go to step 3.
the trouble is caused by either the
voice terminal or the cord connec-
tion. Go to step 2.
the trouble is either the control unit,
the voice terminal, or the cord con-
nection. Go to step 2.
the malfunctioning voice terminal
probably is not faulty. The trouble is
in either the control unit or the
cables. Plug the malfunctioning
voice terminal into its original jack
and go to step 3.
the malfunctioning voice terminal is
faulty. Contact your equipment sup-
plier for assistance.
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