Message
Possible Causes & Solutions
Reference
Connection to the FTP
server cannot be
established.
•
The file necessary for upgrading the firmware could not be
downloaded from the FTP server.
→
Check that the FTP server settings are correct.
FTP download failed.
Firmware file format is
invalid.
•
The firmware could not be upgraded using the firmware
upgrade file that was downloaded from the FTP server.
—
Firmware file is invalid.
The SD Card format
feature does not support
SD Cards larger than 2G
Bytes.
•
The SD memory card is not compatible with the KX-NT400.
→
Use an SD memory card that is compatible with the
KX-NT400.
The SD Card format
feature does not support
SD Cards smaller than
32M Bytes.
Failed to connect to the
LDAP server.
•
The KX-NT400 could not connect to the LDAP server.
→
Check the settings for the LDAP server.
Failed to connect to the IP
camera.
•
The KX-NT400 could not connect to a network camera.
→
Check the settings for the network camera.
Password is locked.
Please contact your
manager of PBX.
•
Your extension has been locked by the PBX.
→
To unlock your extension, the PIN and PIN lock for your
extension must be cleared. For details, consult your
manager.
—
NT400 skipped refreshing
the PBX Data because
PBX was not ready.
•
The KX-NT400 could not download system speed dialling
directory and extension number directory from the connected
PBX.
→
Consult your administrator.
—
202
Operating Instructions
Appendix