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4.1 Troubleshooting
Installation Manual 231
011* DC power down • AC power down
• Power supply circuit (PSU,
back 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 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)
• Remove the optional service cards and
restart the Hybrid IP-PBX
012* MPR RAM battery
low
• Battery out
• MPR card malfunction
• Replace the MPR card (be sure to turn
off the Hybrid IP-PBX when replacing)
014* FAN Alarm • PSU-L malfunction • See if anything is jammed in the fan
• Replace the PSU (be sure to turn off
the Hybrid IP-PBX when replacing)
016 CS overload • Defective cable
• CS malfunction
• Optional service card
malfunction: CSIF
• Check the cable diameter and length
• Replace the CS
• Replace the corresponding optional
service card
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
020* SD file access error • SD Memory Card
malfunction
• Bad connection of SD
Memory Card
• MPR card malfunction
• Press the Reset Button
• Reprogramme the Hybrid IP-PBX
• Replace the SD Memory Card
• Replace the MPR card (be sure to turn
off the Hybrid IP-PBX when replacing)
021* SD Memory Card
disconnected
• SD Memory Card not
installed
• Bad connection of SD
Memory Card
• SD Memory Card
malfunction
• MPR card malfunction
Error Code Error Message PROBABLE CAUSE SOLUTION