If a false alarm occurs (e.g., from cooking smoke), press the Test button to temporarily silence the siren. Maintenance & Safety Warning
Displays "0" or remains blank until gas is detected.
Electrochemical CO sensor and infrared photoelectric smoke sensor. Power: 3 x 1.5V AA batteries (replaceable). jkd-512com user manual
If wall-mounted, place it 4 to 12 inches (10-30cm) below the ceiling.
Replace the entire unit immediately if the "End of Life" signal occurs or if it fails a manual test. If a false alarm occurs (e
Approximately 10.3cm in diameter and 3.5cm in height. Installation Guide
Drill holes 5.5cm apart for the wall plugs and secure the bracket with screws. Clip the alarm back into the bracket with a clockwise twist. Operation & Testing Power: 3 x 1
The screen will show a battery icon or "Lb," accompanied by a periodic chirp.
Insert three AA batteries into the rear compartment, observing correct polarity. The device should beep once to indicate it is powered on. Placement: