Panasonic KX-TAW848 Installation Manual page 125

Error Error Message
Code
002 System Reset
010 AC power down
011 DC power down
012* MPR RAM
battery low
020* SD file access
error
021* SD Memory Card
disconnected
PROBABLE CAUSE
• Reset Button is
pressed
• Power failure
• Main Board
malfunction
• Erroneous processing
of Main Board software
• Software error due to
external factors
• AC power down
• Bad connection or
breaking of AC cord
• AC power down
• Power supply circuit
(Main Board)
malfunction
• Detection of over
current (short circuit on
optional service cards)
• Battery out
• Main Board (MPR)
malfunction
• SD Memory Card
malfunction
• Bad connection of SD
Memory Card
• Main Board
malfunction
• SD Memory Card not
installed
• Bad connection of SD
Memory Card
• SD Memory Card
malfunction
• Main Board
malfunction
SOLUTION
• Ignore if not frequent
• Press the Reset Button
• Reprogram the PBX
• Replace the Main Board (be sure to
turn off the PBX when replacing)
• 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 PBX when replacing)
• 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 PBX when replacing)
• Replace the Main Board (be sure to
turn off the PBX when replacing)
• Remove the optional service cards and
restart the PBX
• Replace the Main Board (be sure to
turn off the PBX when replacing)
• Press the Reset Button
• Reprogram the PBX
• Replace the SD Memory Card
• Replace the Main Board (be sure to
turn off the PBX when replacing)
Installation Manual
4.1 Troubleshooting
125