Panasonic panasonic 74 0 Troubleshooting Guide

74
0 Troubleshooting Guide
PROBLEM
The VPS doe’s not operate.
PROBABLE CAUSE
l Bad printed circuit board.
l Bad connection with PBX.
l Card was inserted into the
wrong slot.
l Incomplete card insertion.
POSSIBLE SOLUTION
l Change the printed circuit board.
l If the phone works properly when SLT
is connected instead of the VPS,
change the Port card. If the phone stil‘
fails to work properly, check the
connection between the VPS and PBX.
l Insert the card firmly into the normal
card slot.
l Insert the card firmly into the back
board.
l Dialing is not registered. l A pulse phone is being used l Change to a touch-tone phone.
by mistake. l Adjust the integration mode properly
l Improper setting of between the VPS and your PBX.
integration mode.
l Line disconnection occurs l Improper setting of the l Adjust the transfer sequence to that of
while transferring an outside transfer sequence. the connected PBX and reset.
call.
l Improper setting of the
l Adjust the hooking time to that of the
l Outside calls cannot be hooking time. connected PBX and reset.
transferred. l Improper setting of the CPC l Adjust the CPC signal to that of the
signal. connected PBX and reset.
l Unable to make outside l Improper setting of the .* Reset the outside call dial mode (tone/
calls. outside call dial mode. pulse) properly.
l Improper setting of the l Reset the outside line access sequence
outside call dial procedure. of the connected PBX.
l Unable to call an extension. l Improper setting of extension l Adjust the extension numbering plan
numbering plan. properly.
l Unable to access the mail l Improper setting of the l Readjust the number of digits in the
box. number of digits in the mailbox number.
mailbox number.
l Connected terminal (RS-
l Improper connection. l Connect the cable firmly.
232C port) does not operate. l Improper setting of the
l Adjust the terminal parameter to the
parameter. VPS parameter. If the terminal still
fails to operate properly, set to the
desired parameter from the terminal.
l Unable to make reconnection l Improper setting of the busy
l Readjust the busy signal reconnection
when the line is busy. signal reconnection procedure. procedure to that of the connected
PBX.
l Unable to make a no-
response reconnection. * Improper setting of the no- * Readjust the no-response reconnection
response reconnection procedure to that of the connected
procedure. PBX.
Maintenance
7-25