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4.1 Troubleshooting
Installation Manual 145
020* SD file access
error
• SD Memory Card malfunction
• Bad connection of SD
Memory Card
• Main Board malfunction
• Press the Reset Button
• Reprogram the Hybrid IP-PBX
• Replace the SD Memory Card
• Replace the Hybrid IP-PBX
021* SD Memory Card
disconnected
• SD Memory Card not
installed
• Bad connection of SD
Memory Card
• SD Memory Card malfunction
• Main Board 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-TDA50
Maintenance Console
• 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).
023 System data file
version error
• Old system files on SD
Memory Card
• Defective system files on SD
Memory Card
• Restore the backup files
• Re-install the software
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
Error Code Error Message PROBABLE CAUSE SOLUTION