4.1 Troubleshooting
Installation Manual 177
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
020* SD file access
error
• SD Memory Card malfunction
• Bad connection of SD
Memory Card
• MPR card malfunction
• Press the Reset Button
• Reprogram 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
022 Not enough free
space on SD card
• Not enough memory space
available to save the system
data, or to upload system files
from the KX-TDA
Maintenance Console
• Delete the files whose file names start
with "$" from SD Memory Card
• Delete the "Pxxx" files (old program
files of optional service cards) from SD
Memory Card. "xxx" indicates the card
type (e.g., "PDHLC" for DHLC card)
Note
Do not delete the "PMPR" file; it is the
program file of the MPR card.
Error Code Error Message PROBABLE CAUSE SOLUTION
