Panasonic KX-TDA600 - Hybrid IP PBX Control Unit Max. 1008..., Installation Manual

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4.1 Troubleshooting
Installation Manual 219
Alternate Calling—Ring/Voice
and Live Call Screening (LCS)
do not function as set when using
a Wireless Phone (KX-T7880/
KX-T7885/KX-TD7894/KX-
TD7895). Voice-calling mode and Hands-
free mode with LCS are not
available with Wireless Phones. • Switch the calling mode to ring-calling.
• Set the LCS mode to "Private".
The ALARM indicator on the
front of the Basic Shelf turns on
red. A major system error occurs in
the Hybrid IP-PBX. • See the error log using the KX-TDA600
Maintenance Console (refer to "4.1.5
Troubleshooting by Error Log").
The RUN indicator of an
Expansion Shelf does not turn
on. Bus Cable is not connected
properly. • Connect the Bus Cables properly.
Defective Bus Cable (included
with BUS-M card or BUS-ME
card). • Replace the corresponding Bus Cable.
Optional service card
malfunction: BUS-M, BUS-ME,
BUS-S • Replace the corresponding shelf
expansion card (be sure to turn off the
Hybrid IP-PBX when replacing a BUS-
M card).
Defective Expansion Shelf. • Replace the corresponding Expansion
Shelf.
The LINK indicator of the BUS-M
card of the Basic Shelf does not
turn on. Bus Cable is not connected
properly. • Connect the Bus Cables properly.
Defective Bus Cable (included
with BUS-M card or BUS-ME
card). • Replace the corresponding Bus Cable.
Optional service card
malfunction: BUS-M, BUS-ME,
BUS-S • Replace the corresponding shelf
expansion card (be sure to turn off the
Hybrid IP-PBX when replacing a BUS-
M card).
Extensions connected to an
Expansion Shelf do not send a
dial tone. Bus Cable is not connected
properly. • Connect the Bus Cables properly.
Optional service card
malfunction: BUS-S • Replace the corresponding shelf
expansion card.
Defective Bus Cable (included
with BUS-M card or BUS-ME
card). • Replace the corresponding Bus Cable.
PROBLEM PROBABLE CAUSE SOLUTION