On Thu, 09 Feb 2006 12:12:59 -0600, wrote:

Stick one of those that read 10 outside for awhile. If it still reads
10, it's probably defective. If not, you better get some help. If
all the appliances are shut off, I sure dont see where the CO would be
coming from.


Thanks. That's a good idea. I have the feeling that two detectors
are needing replacements.