Q. i don't know which one it is... one of them keeps going off and whenever someone goes near it it stops. i can't tell which one it is because they are right by one another and there's no sign to see which one it is. i'm scared. help?
p.s. there's no smoke or anything.
p.s. there's no smoke or anything.
Answer
to tell which is going off---take down fire alarm-take out batteries....if alarm stops-it is the fire and probably needs new batteries---but do a real good sniff test around to make sure there is no smoke up where the alarm was...
if the alarm continues-it is the carbon monoxide one--i'd check to see if the thing takes batteries-or is it plugged into the wall--if it is in the wall--get out and call 911, or the fire co direct---if it doesn't--try putting in the battery from the fire alarm....if it still sounds---get out and call fire co.
to tell which is going off---take down fire alarm-take out batteries....if alarm stops-it is the fire and probably needs new batteries---but do a real good sniff test around to make sure there is no smoke up where the alarm was...
if the alarm continues-it is the carbon monoxide one--i'd check to see if the thing takes batteries-or is it plugged into the wall--if it is in the wall--get out and call 911, or the fire co direct---if it doesn't--try putting in the battery from the fire alarm....if it still sounds---get out and call fire co.
Why didn't the carbon monoxide detector go off?
Q. We recently had our AC/heating unit replaced. The installer said the old one was leaking carbon monoxide. So why didn't the carbon monoxide detector go off? It was and still is working(the installer tested it).
The installer didn't try to sell us a new one.
The installer didn't try to sell us a new one.
Answer
The way gas furnaces work is the blower motor that circulates hot air through the house has a higher static pressure than the combustion blower moter that creates the fire making the heat exchanger get hot. When the heat exchanger goes bad or gets holes in it it can leak carbon monoxide but more likely it will lose pressure from the blower motor air forcing air into the heat exchanger and not into the house. This would cause a roll out event. This is where the flame from the furnace would travel in the wrong direction tripping a safety limit shutting down the furnace. The way furnaces are designed even if they leak carbon monoxide or have holes inb the heat exchanger they will still keep the levels in the house at safe limits.
The way gas furnaces work is the blower motor that circulates hot air through the house has a higher static pressure than the combustion blower moter that creates the fire making the heat exchanger get hot. When the heat exchanger goes bad or gets holes in it it can leak carbon monoxide but more likely it will lose pressure from the blower motor air forcing air into the heat exchanger and not into the house. This would cause a roll out event. This is where the flame from the furnace would travel in the wrong direction tripping a safety limit shutting down the furnace. The way furnaces are designed even if they leak carbon monoxide or have holes inb the heat exchanger they will still keep the levels in the house at safe limits.
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