| 734 | Sprinkler malfunction - includes water pressure fluctuation and equipment fault |
| 735 | Smoke detector malfunction - includes fault in detector, wiring or indicator panel |
| 736 | Heat detector malfunction - includes fault in detector, wiring or indicator panel |
| 737 | Fire indicator panel in normal condition on arrival |
| 751 | Smoke detector operated - a simulated condition activates an alarm |
| 752 | Heat detector operated - a simulated condition activates an alarm |
| 762 | Accidental operation of alarm - includes where human activity has simulated a condition that activates a fire alarm (includes damage to sprinkler head) |
| 763 | Failure to notify of test |
| 764 | Incorrect test |
| 769 | Unintentional alarm - not classified above |