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iv) Vent pipe connections vibrating loose from clothes dryers, furnaces,
boilers, or water heaters.
v) Obstructions in or unconventional vent pipe designs which can amplify
the above situations.
vi) Poorly designed or maintained chimneys and/or vents.
2) Extended operation of unvented fuel burning devices
(range, oven, fireplace, etc.).
3) Temperature inversions which can trap exhaust gases near the ground.
4) Car or forklift idling in an open or closed attached garage, or near building.
If service signal (chirps twice and
SERVICE
red LED blinks 5 seconds in every
minute) or low battery signal (chirps once and
POWER
green LED blinks 5
seconds in every minute) are activated, see Section 13 for service and return
instructions.
11. LIMITATIONS OF CO DETECTORS
Carbon monoxide detectors respond to the presence of CO. They do not detect smoke.
If the alarm does activate, follow instructions in Section 10
WHAT TO DO WHEN THE
ALARM SOUNDS
.
Carbon monoxide detectors are devices that can provide an early warning of the
presence of CO gas at a reasonable cost. However, detectors have sensing limitations
and may not always sound a warning in the presence of CO. The detector will not
operate if the battery power is low or dead. CO detectors must be tested regularly to
ensure that they are receiving power and operating properly. Carbon monoxide
detectors cannot sense CO that does not reach the detector, and therefore CO
detectors may not detect CO which is in another area of the building. Furthermore, the
detector may not alert someone who is located on a different level of the building or on
the other side of a closed door. The use of drugs and alcohol may impair one’s ability to
hear the detector. If it is a multi-level building, install CO detectors on each level. If the
detector is installed in a hallway and office or room doors are kept closed while
occupied, install a CO detector within each office and room.
Although CO detectors can help save lives by providing an early warning to the
presence of carbon monoxide, they are not a substitute for an insurance policy.
Employers, property owners, leaseholders, and renters should have adequate
insurance to protect everyone’s health, lives and property.
