| Condition | Operation | LED | Horn |
|---|---|---|---|
| Standby | AC power supply | Green LED keep on. | None |
| Standby | Battery-powered | Green LED flashes once every 54 seconds. | None |
| Test | Press the Test/Hush/Networking button to check whether alarm works normally. | Red LED flashes rapidly | 3 short quick beeps. |
| Alarm | When the alarm detects that the smoke concentration is greater than the alarm threshold. | Red LED flashes rapidly | 3 short quick beeps. |
| Hush | In alarm mode, press the Test/Hush/Networking button. | Red LED flashes once every 10 seconds. | None (Duration: about 10 minutes). |
| Low battery | None | Yellow LED flashes once every 54 seconds. | 1 beep every 54 seconds. |
| Malfunction | None | Yellow LED flashes twice every 54 seconds. | 2 beep every 54 seconds. |
| End of life | None | Yellow LED flashes 3 times every 54 seconds. | 3 beep every 54 seconds. |
| Alarm memory | When a alarm has occurred in user's absence. | Red LED flashes once every 20 seconds (to remind the user). | None |
| Scenario | Diagnostic Questions | Resolution Logic |
|---|---|---|
| False Alarm / Nuisance |
"Is the unit near a bathroom, kitchen, or AC vent?" "Has it been cleaned in the last 30 days?" |
Fix: Instruct to clean perimeter vents. Use the push-to-open hinge to access. If persists: Escalate. |
| Single Beep (54s) | "Count the seconds between beeps. Is it exactly 54 seconds?" |
Fix: Low Battery. Internal 10-year lithium. Action: Escalate. |
| Double Beep (54s) | "Is it two short beeps together every 54 seconds?" |
Fix: Sensor Fault. Clean vents thoroughly. If continues > 1 hour: Escalate. |
| No Power / Dead | "Is the small green light glowing on the face?" |
Fix: AC Power Loss. Check breaker. If power on but unit dead: Escalate. |
| Desired Action | Mode Name | Button Sequence |
|---|---|---|
| Pairing (Existing) | Code Receiving | Press button 3x quickly + Long-press 1s |
| Pairing (New Unit) | Code Sending | Press button 2x quickly + Long-press 1s |
| Clear Network | Memory Wipe | Press button 4x quickly + Long-press 1s |
| Full System Test | Radio Link Test | Press and hold button for 1s |