Recalled in route

Received a call for an activated fire alarm. 16-5 responded and was recalled by command on scene.

Called for alarm. head activated was RTU 4 Duct detector above gym. Found detector in alarm in unit, reset head and panel cleared.

Found fire system in alarm, garage smoke detector reset alarm system still has a trouble for basement smoke. Told management to notify the alarm company.

Cleaned smoke detector and reinstalled. Back in service.

Called for activated Fire alarm from zone 33 Smoke detector. Found no fire or smoke, removed head from bedroom at rm. 14. Took one detector from hallway and moved to rm. 14. Notified alarm company.