4.1 Troubleshooting
176 Installation Manual
System Start-up and On-line Operation
220 Flash ROM
access error
• Detection of accessing error
to Flash ROM of optional
service card
• See if the corresponding optional
service card is installed properly
• Pull out and re-insert the
corresponding optional service card
• Replace the corresponding optional
service card
Error Code Error Message PROBABLE CAUSE SOLUTION
000* MPR WDT
overflow
• MPR card malfunction
• Optional service card
malfunction: CTI-LINK
• Erroneous processing of
MPR card software
• Software error due to external
factors
• Press the Reset Button
• Reprogram the Hybrid IP-PBX
• Replace the MPR card (be sure to turn
off the Hybrid IP-PBX when replacing)
001 SDRAM bit error
002 System Reset • Reset Button is pressed
• Power failure
• MPR card malfunction
• Erroneous processing of
MPR card software
• Software error due to external
factors
• Ignore if not frequent
• Press the Reset Button
• Reprogram the Hybrid IP-PBX
• Replace the MPR card (be sure to turn
off the Hybrid IP-PBX when replacing)
010* AC power down • Power supply system
malfunction (e.g., power
failure, power noise, trouble
with UPS)
• Bad connection or breaking of
AC cord
• Power supply circuit (PSU,
back board) malfunction
• 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 PSU (be sure to turn off
the Hybrid IP-PBX when replacing)
• Replace the back board (be sure to
turn off the Hybrid IP-PBX when
replacing)
Error Code Error Message PROBABLE CAUSE SOLUTION