▶ Display or alarm record of fire alarm annunciator should not be operated under fire/detection/error status.
However. if problem is recognized and system is under improvement, pronounce as normal during audit.
(Approval request for improvement or in case of improvement which does not generate cost, improvement plan etc. )
▶ Check the power supply conditions of field site detector and see if it maintains DC 24V (20V~).
▶ Check if the layout displayed on the fire alarm annunciator is identical to the actual layout of field site.