Panasonic KX-TVS75, Installation Manual

Page: 162 / 318

7.4 TROUBLESHOOTING GUIDE
162
SYSTEM MAINTENANCE AND TROUBLESHOOTING
7.4 TROUBLESHOOTING GUIDE
Table 36
PROBLEM PROBABLE CAUSE POSSIBLE SOLUTION
The VPS does not operate. • Bad printed circuit board.
• Bad connection with PBX.
• Card was inserted into the
wrong slot.
• Incomplete card insertion.
• Change the printed circuit
board.
• If the phone works properly
when the SLT is connected
instead of the VPS, change the
Port card. If the phone still fails
to work properly, check the
connection between the VPS
and PBX.
• Insert the card firmly into the
normal card slot.
• Insert the card firmly into the
back board.
Dialing is not registered. • A pulse phone is being used by
mistake.
• Improper setting of integration
mode.
• Change to a touch tone phone.
• Adjust the integration mode
properly between the VPS and
your PBX.
Line disconnection occurs
while transferring an outside
call.
Outside calls cannot be
transferred.
• Improper setting of the
sequence.
• Improper setting of the
hooking time.
• Improper setting of the CPC
signal.
• Adjust the transfer sequence to
that of the connected PBX and
reset.
• Adjust the hooking time to that
of the connected PBX and reset.
• Adjust the CPC signal to that of
the connected PBX and reset.
Unable to make outside calls. • Improper setting of the outside
call dial mode.
• Improper setting of the outside
call dial procedure.
• Reset the outside call dial mode
(tone/pulse) properly.
• Reset the outside line access
sequence of the connected
PBX.
Unable to call an extension. • Improper setting of extension
numbering plan. • Adjust the extension numbering
plan properly.
Unable to access the
mailbox. • Improper setting of the number
of digits in the mailbox
number. • Readjust the number of digits in
the mailbox number.