| Green LED | Red LED | Piezoelectric Horn | |
|---|---|---|---|
| Power Up | Blinks every 5 sec | Blinks every 5 sec | Off |
| Normal (standby) | Blinks every 10 sec | Off | Off |
| Out of Sensitivity | Off | Blinks every 5 sec | Off |
| Freeze Trouble | Off | Blinks every 10 sec | Off |
| Smoke Alarm | Blinks every 5 sec | Blinks every 1 sec | Temporal Pattern |
| Thermal Alarm | Blinks every 5 sec | Blinks every 4 sec | Temporal Pattern |
| Low Battery | Off | Blinks every 45 sec | Chirp every 45 sec after LED blinks for 7 days |
Honeywell Smoke Detector - LED Guide
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