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5.1 Troubleshooting
242 Installation Manual
• Cannot register the PS. • Wrong Personal
Identification Number (PIN)
is registered to the PS.
• Enter the PIN set to the PBX into the
PS.
• CS is not connected
properly.
• Make sure that the cable is connected
properly with correct pin assignments.
Also, make sure that the cable does not
make short circuits.
• Switch all DIP switches off.
• PS becomes out of range. • CSIF card is not working. • Install the CSIF card properly.
• Cannot make calls using the
PS.
• CS is not working. • Make sure that the cable is connected
properly with correct pin assignments.
Also, make sure that the cable does not
make short circuits.
• Switch all DIP switches off.
• Location of CS is not good. • Locate the CS properly (refer to "3.9.5
Site Survey Using the KX-TCA255/KX-
TCA256/KX-TCA355/KX-TD7590" or
"3.10.5 Site Survey" ).
• Access system of the PS is
not properly set.
• Change the access system setting of
the PS to the appropriate system or
automatic.
• Noise is frequent while using
the PS.
• Conversations disconnect
while using the PS.
• Call handover is not
working.
• PS is out of CS coverage
area.
• Locate the CS properly (refer to "3.9.5
Site Survey Using the KX-TCA255/KX-
TCA256/KX-TCA355/KX-TD7590" or
"3.10.5 Site Survey" ).
• PS stays out of service
when the CS status is
changed from Out of
Service to In Service.
• It may take about 20 s for
CS to start up after the
status has been changed to
In Service.
• Wait until the CS starts up.
• More than 4 PSs cannot be
on a call simultaneously
even if a high-density CS is
connected to the PBX.
• Poor connection • Make sure that a 4-pair cable is used for
connection.
PROBLEM PROBABLE CAUSE SOLUTION