Overview: Keypad displays a flashing "service perimeter" because a zone is or was faulted.
Issue
Keypad displays a flashing "Service Perimeter" with no zones displayed.
Solution
A Perimeter zone is or was faulted.
If a zone is displayed, the zone must be made normal first.
If no zone is displayed, enter CODE + ENTER + CLEAR + CLEAR . This will clear the keypad memory.