POSSIBLE CAUSE
a) Transmitter zone type (ZT) is set to 00
(Not Used).
b) Transmitter battery not installed.
c) 5800 System transmitter not "enrolled"
in system.
REMEDY
a) Set ZT to a valid active zone type in field ✻56.
b) Install proper battery.
c) "Enter" unit in field ✻56 or ✻83.