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- Press the Test/Hush button for approximately 20 seconds to reset the unit. If the beeping and the amber
light flashing re-occurs replace the sensor module.
3. ALARM BEEPS EVERY 40 SECONDS (without amber light flashing):
- Rechargeable cells depleted. Reconnect mains power if green light is off.
4. ALARM SOUNDS FOR NO APPARENT REASON:
Follow the detailed instructions in Section 1 on page 5 entitled “WHAT TO DO WHEN THE ALARM
SOUNDS”. If there are still problems:
- Ensure there are no fuel-burning appliances in the vicinity which could be leaking CO gas (e.g. even
from next door).
- Ensure there are no fumes in the area (e.g. paint, thinners, alcohol, hair spray, chemical cleaners
aerosol sprays etc).
- Ensure there is no outdoor source of CO in the vicinity (e.g. a car with engine running, heavy traffic,
heavy air pollution, barbecue fumes etc).
- Press the Test/Hush button to silence the alarm.
If the unit continues to sound it is possibly defective and should be replaced. Follow the instructions in
Section 9 “GETTING YOUR CO ALARM SERVICED”.
4. Test/Hush BUTTON DOES NOT SILENCE ALARMS:
If there are a number of alarms interconnected and they are all sounding, pressing the Test/Hush button
on the unit sensing CO (i.e. the one with the red light flashing) will silence the system. Pressing any other
Test/Hush button will not silence the alarms. The Test/Hush button will only silence the unit once at CO
levels less than 300 ppm CO during a CO incident.
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