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• Vent pipe connections vibrating loose from clothes dryers, furnaces or water heaters. • Obstructions in or unconventional vent pipe designs which can amplify the above situations. 2. Extended operation of unvented fuel-burning devices (ranges, ovens, fireplaces). 3. Temperature inversions which can trap exhaust close to the ground. 4. A car idling in an open or closed attached garage or near a home. Page 9 HOW CAN I PROTECT MY FAMILY FROM CO POISONING? This alarm is an excellent means of protection. It monitors the air and sounds a loud alarm before carbon monoxide levels become threatening to the average, healthy adult. An alarm is not a substitute for proper maintenance of home appliances. To help prevent CO problems and reduce the risk of CO poisoning: • Clean chimneys and flues yearly. Keep them free of debris, leaves and nests for proper air flow. Also, have a professional check for rust and corrosion, cracks or separations. These conditions can prevent proper air movement and cause backdrafting. Never "cap" or cover a chimney in any way that would block air flow. • Test and maintain all fuel-burning equipment annually. Many local gas or oil companies and HVAC companies offer appliance inspections for a nominal fee. • Make regular visual inspections of all fuel-burning appliances. Check appliances for excessive rust and scaling. Also check the flame on the burner and pilot lights. The flame should be blue. A yellow flame means fuel is not being burned completely and CO may be present. Keep the blower door on the furnace closed. Use vents or fans when they are available on all fuel-burning appliances. Make sure appliances are vented to the outside. Do not grill or barbecue indoors or in garages or screen porches. • Check for exhaust backflow from CO sources. Check the draft hood on an operating furnace for a backdraft. Look for cracks on furnace heat exchangers. • Check the house or garage on the other side of a shared wall. • Keep windows and doors open slightly. If you suspect that CO is escaping into your home, open a window or a door. Opening windows and doors can significantly decrease CO levels. Page 10 OPERATIONAL SUMMARY CONDITION OF ALARM AUDIBLE & VISUAL SIGNALS BEFORE SOLUTION / RECOMMENDATION HORN POWER GREEN LED GAS BLUE LED CO RED LED SOLUTION / RECOMMENDATION Silent On and Blinks off approx every 20 seconds Off Off AC Power is present. DC power is present Silent Off and Blinks on approx every 40 seconds Off Off Alarm is powered by battery backup. AC Power is not present. Check the breaker or fuse box for power. If the breaker or fuse box looks normal, call a licensed electrician for assistance. 1 beep, 1 second pause, 4 beeps, 5 second pause Turns off when the 4 beeps start Blinks in sync with cycle of the first beep Blinks in sync with cycle of 4 beeps The TEST button has been pressed. The test sequence lasts for approximately 8 seconds after the button is released. 4 beeps, 5 second pause, repeat Off Off Blinks in sync with cycle of 4 beeps Originating CO alarm - If a hazard is identified, please take all precautions when an alarm sounds by calling an Emergency Service and getting out of the home. 1 beep, 1 second pause, repeat Turns off when the beeps start Blinks in sync with the horn Off Originating Gas alarm - If a hazard is identified, please take all precautions when an alarm sounds by calling an Emergency Service and getting out of the home. Horn sounds when no hazard is present On and blinks off approx every 20 seconds Blinks when no hazard is present Blinks when no hazard is present Nuisance Alarm - If there is no hazard present, verify the alarm is mounted in the correct location (see User's Manual, "AVOID THESE LOCATIONS" section). Reset alarm as instructed below. Silent On and blinks off approx every 20 seconds Off Off and blinks on approx every 10 seconds until reset The CO Alarm Silence Feature is activated by pressing and releasing the SILENCE button on the initiating alarm while in alarm condition. The alarm will remain silent for approx. 4 minutes, depending on the level of CO detected. If CO levels drop below alarm levels, the alarm will remain silent and return to normal operation. If CO levels remain constant or increase, this indicates potentially dangerous situation and the horn will sound again. Ventilate area. Silent On and blinks off approx every 20 seconds Off and blinks on approx every 10 seconds until reset Off The Gas Alarm Silence Feature is activated by pressing and releasing the SILENCE button on the initiating alarm while in alarm condition. The alarm will remain silent for a maximum of 20 seconds. If Gas levels drop below alarm levels, the alarm will remain silent and return to normal operation. If Gas levels remain constant or increase, this indicates potentially dangerous situation and the horn will sound again. Ventilate area. Silent Off Off Off and blinks on approx every 5 seconds until reset CO Alarm Latching LED Ind...

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