FBI XL3 / XL31 TRouble
| AC Power ON | System operating normally |
| AC Power OFF | AC Power is not working |
| AC Power Flashing |
Backup battery is low (Keypad will beep, this can only be silenced by powering down) |
| Arm Slow Flashing | System failed to communicate |
| Smoke Reset |
Enter Code or press * (If this does NOT reset smoke detector set for service, smoke is bad) |
| All Zones Blinking | System Time needs to be set press # + 3 + Code + HH MM) |
| Smoke Reset |
Enter Code or press * (If this does NOT reset smoke detector set for service, smoke is bad) |