Plantronics T20 Telephone User Manual


 
TEXT
CHAPTER 6
TROUBLESHOOTING
If any problem should arise during operation of your
JB-20
, go through
the suggestions listed below. Should the difficulty persist, contact
Ameriphone or your authorized dealer for assistance.
CAUSE AND
CORRECTIVE ACTION
Check all phone cord connec-
tions.
No number stored in that
memory button. See
"Programming Frequently
Dialed Numbers
See "Installation" section to
reset the dial mode switch.
Make sure the ringer is not set
to "Off" position.
Check all the connections.
Make sure the cords are
plugged in
correctly.
SYMPTOM
No dial tone
No number
dialed when memory
button pressed
Call cannot be dialed,
or is dialed slowly
No audible ring
Phone ”locks- up“; no
functions operate
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