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4.1 Troubleshooting
166 Installation Manual
System Start-up and On-line Operation
Error Code Error Message PROBABLE CAUSE SOLUTION
000* MPR WDT
overflow
• Main Board (MPR)
malfunction
• Erroneous processing
of Main Board (MPR)
software
• Software error due to
external factors
• Press the Reset Button
• Reprogramme the Hybrid IP-PBX
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
001 SDRAM bit error
002 System Restart • Reset Button is
pressed
• Power failure
• Main Board
malfunction
• Erroneous processing
of Main Board software
• Software error due to
external factors
• Ignore if not frequent
• Press the Reset Button
• Reprogramme the Hybrid IP-PBX
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
011* DC power down • AC power down
• Power supply circuit
(Main Board)
malfunction
• Detection of over
current (short circuit on
optional service cards)
• Check the power supply system
• See if the AC cord is connected
properly
• Check the AC cord
• Replace the AC cord (be sure to turn
off the Hybrid IP-PBX when replacing)
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
• Remove the optional service cards and
restart the Hybrid IP-PBX
012* MPR RAM
battery low
• Battery out
• Main Board (MPR)
malfunction
• Replace the Main Board (be sure to
turn off the Hybrid IP-PBX when
replacing)
016 CS overload • Defective cable
• CS malfunction
• Check the cable diameter and length
• Replace the CS
017 BRI port overload • Defective cable
• Defective ISDN
terminal equipment
• Optional service card
malfunction: BRI
• Check the cable
• Replace the defective terminal
equipment
• Check the number of connected
terminal equipment
• Replace the corresponding optional
service card