4.1 Troubleshooting
Installation Manual 169
230* Card
disconnected
• Optional service card
not installed properly
• Optional service card
malfunction
• Main Board
malfunction
• See if the corresponding optional
service card is installed properly
• Pull out and re-insert the
corresponding optional service card
• Press the Rest Button
• Replace the corresponding optional
service card
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
231 LPR alive check
error
• Optional service card
malfunction: DLC, BRI,
IP-GW
• Main Board (MPR)
malfunction
• See if the corresponding optional
service card is installed properly
• Pull out and re-insert the
corresponding optional service card
• Press the Rest Button
• Replace the corresponding optional
service card
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
232 MPR-LPR
communication
error
233 LPR data check
error
234 DPLL clock failure
251 MSG DSP failure • Optional service card
malfunction: MSG
• See if the corresponding optional
service card is installed properly
• Replace the corresponding optional
service card
300* Digital trunk out of
synchronization
• Network (digital trunk)
malfunction
• Check the signals from the network
• Check the cable
301* Digital trunk RAI
reception
302* Digital trunk AIS
reception
303* Multiframe out of
synchronization
304* Frame error
305* Data Link failure • Data link between the
CS and DLC card/
hybrid extension port
failed
• Data link between the
network and BRI card
failed
• Check the connection between the CS
and DLC card/hybrid extension port
• Check the connection between the
network and BRI card
307 LAN No Carrier • IP-GW card not
connected to the LAN
• Check the connection between the
LAN and IP-GW card
Error Code Error Message PROBABLE CAUSE SOLUTION