Panasonic LX-TD500 Programming Manual page 345

Error Code
E4013 Cannot assign SDN key without assigning PDN key.
An SDN button should have its associated PDN button.
E4014 Cannot assign more than 8 SDN keys for one PDN key.
Up to eight SDN keys per PDN key can be assigned on eight different PTs respectively.
E4015 Invalid directory number for SDN key.
Only DN of an extension can be assigned to SDN key number.
E4016 SDN key duplicated.
Two SDN keys cannot have the same extension number.
E4017 Cannot assign SDN key to its own directory number.
Please assign SDN to a directory number other than its own.
E4018 Dial registration resource exhausted.
Cannot register any more because the system resource that stores extension mailbox
numbers (voice mail access codes) and One-Touch Dialing numbers has been
exhausted.
E4020 Invalid directory number for doorphone call destination.
Only DN of an extension can be assigned as a doorphone call destination.
E4021 Secret dial 'S' must be placed at the beginning and end of desired secret numbers.
Cannot assign Secret Dialing "S" that is registered in One-Touch dialing without being
even number.
E4022 Cannot assign PDN key as Prime Line - CO.
Please assign key number except for PDN key when the outgoing or incoming
preferred line is set to "Prime Line - CO."
E4023 Illegal trunk group number.
Please assign the trunk group number (1~48) on Group - CO key.
E4024 DN or FDN must be entered to assign the type of key.
You must enter the DN or FDN when you assign key type "DSS," "Phantom," "SDN,"
"VTR," "2WAY-REC" and "2WAY-TRN." Each key needs following directory number
as DN or FDN:
- DSS
Extension directory number which is in existence.
- Phantom
Floating directory number which is registered in "5-2 Phantom Extension" screen.
- SDN
Primary directory number (PDN) of the DN mode extension.
- VTR, 2WAY-REC / TRN
Extension directory number which is assigned as VPS.
E4025 PHANTOM key duplicated.
Two phantom keys cannot have the same phantom FDN.
Programming Guide
Error Message
Description
Programming Error Messages
345