A.1.2 Error Messages
When a major system error occurs, an error message is displayed on the IP-PT.
For IP-PTs with a single line display (e.g., KX-NT265), only an error code (i.e., ERR XXXX-XXXX) will be
displayed.
Error Message & IP-PT Activity Probable Cause Solution
ERR 1001-0000
HARDWARE ERROR
Displays error and stops operating.
• Sub CPU malfunction • Repair or replace the IP-PT.
ERR 1002-0000
HARDWARE ERROR
Displays error and stops operating.
• Sound hardware malfunc-
tion
ERR 1003-0000
HARDWARE ERROR
Displays error and stops operating.
• Flash memory malfunction
ERR 1004-XXXX
HARDWARE ERROR
Displays error and stops operating.
• PHY (network control IC) er-
ror
ERR 1005-0000
HARDWARE ERROR
Displays error and stops operating.
• SDRAM error
ERR 1006-0000
HARDWARE ERROR
Displays error and stops operating.
• SRAM error
ERR 1051-0000
SOFTWARE ERROR
Displays error and stops operating.
• PBX software version error • Consult your network
admin-
istrator.
ERR 2001-XXXX
SYSTEM ERROR
Resets and displays error for 5 seconds
while starting up.
• Unexpected error • If this error is displayed fre-
quently, repair or
replace the
IP-PT.
ERR 2002-0000
POOR LAN CONNECTION
Resets and displays error for 5 seconds
while starting up.
• Transmission error • Check with the network ad-
ministrator whether there is
a problem with the LAN.
• If this error is displayed fre-
quently, repair or
replace the
IP-PT.
ERR 2003-0000
POOR LAN CONNECTION
Resets and displays error for 5 seconds
while starting up.
ERR 2004-0000
UNREGISTERED TO SERVER
Resets and displays error for 5 seconds
while starting up.
• IP-PT not registered • Check the registration status
of the IP-PT.
ERR 2005-0000
NO MORE CONNECTIONS
Resets and displays error for 5 seconds
while starting up.
• Connection refused by the
PBX
Information about IP Proprietary Telephones 63
A.1.2 Error Messages