- Turn off mains power, remove from mounting plate (see Figure 4) for 3 minutes and re-install (this
resets the Alarm).
2. ALARM BEEPS AND AMBER LIGHT FLASHES EVERY 40 SECONDS:
- If the alarm beeps and the amber fault light flashes every 40 seconds, the CO sensor is probably
defective.
- 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 4 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
“GETTING YOUR CO ALARM SERVICED”.
5. 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
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