Panasonic KX-TD500 System Reference Manual page 1265

DATA ERROR No.
414 Deleting the card is impossible, because it is
assigned for the intercept routing destination for
the Trunk group.
415 Deleting the card is impossible, because it is
assigned for doorphone call destination.
418 Attempting to assign NAG as Night Answer
Point of a CO line belonging to a Trunk Group
whose Incoming Mode (Night) is not FIXED.
420 Changing Tenant Service from "Yes" to "No" is
impossible as all ATT's are not assigned to
tenant 1.
421 Changing Tenant Service from "Yes" to "No" is
impossible as all music sources are not
assigned to tenant 1.
422 Changing Tenant Service from "Yes" to "No" is
impossible as all external pagers are not
assigned to tenant 1.
423 Changing Tenant Service from "Yes" to "No" is
impossible as all doorphones are not assigned
to tenant 1.
424 Changing Tenant Service from "Yes" to "No" is
impossible as all DISA's are not assigned to
tenant 1.
425 Changing Tenant Service from "Yes" to "No" is
impossible as all AGC's are not assigned to
tenant 1.
426 Changing Tenant Service from "Yes" to "No" is
impossible as all paging groups are not
assigned to tenant 1.
428 Changing Tenant Service from "Yes" to "No" is
impossible as all trunk groups are not assigned
to tenant 1.
430 Deleting expansion shelf is impossible, as one
or more cards are assigned to the expansion
shelf.
440 Impossible to change the Numbering Plan to
"Fixed," because there exist DN's which should
be blank in the "Fixed" mode in the Hundred
Block.
450 Impossible to changeUCD/Paging group, for the
pickup group belonging to the ICM/Paging
group contains extensions.
460 When the XDP port status is in OUS or in INS,
changing the XDP mode from "On" to "Off" is
impossible.
Probable Cause
11-D-5
Countermeasure
Change the intercept routing destination.
Cancel the doorphone call destination.
Assign Incoming Mode (Night) to FIXED.
Assign ATT's to tenant 1.
Assign music sources to tenant 1.
Assign external pagers to tenant 1.
Assign doorphones to tenant 1.
Assign DISA's to tenant 1.
Assign AGC's to tenant 1.
Assign all paging groups to tenant 1.
Assign all trunk groups to tenant 1.
Delete all the cards in the expansion shelf.
Clear DN's which should be blank.
Change after deleting all the extensions in
the pickup group.
Change after removing the XDP port.