Panasonic KX-TDA50 Installation Manual page 147

Error Error Message
Code
020* SD file access
error
021* SD Memory Card
disconnected
022 Not enough free
space on SD card
023 System data file
version error
024 System
initialization file
version error
025 Card initialization
file version error
026 LCD file version
error
027 System data file
checksum error
028 System
initialization file
checksum error
029 Card initialization
file checksum
error
030 LCD file
checksum error
PROBABLE CAUSE
• 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
• Not enough memory
space available to save
the system data, or to
upload system files
from the KX-TDA50
Maintenance Console
• Old system files on SD
Memory Card
• Defective system files
on SD Memory Card
SOLUTION
• Press the Reset Button
• Reprogram the Hybrid IP-PBX
• Replace the SD Memory Card
• Replace the Hybrid IP-PBX
• Delete the files whose file names start
with "$" from SD Memory Card
Note
Do not delete the "PSMPR" file; it is the
program file of the Main Board (MPR).
• Restore the backup files
• Re-install the software
Installation Manual
4.1 Troubleshooting
147