Based on what I’ve experienced, your protect that had the alarm was also
your nest network master / first nest device on your network. Resetting
the master seems to be the only way to clear the alarm completely. What
a pain in the behind. Glad you go...
Finally got to the bottom of it. Even though my garage unit which caused
the CO alarm had reset, it hadn’t sent the ‘all clear’ to the rest of
them and still had some aspect of the alarm in its status. More
critically, this was the first device I add...
And, to add to the story, two of my four protects are battery units and
both started chirping the low battery alarm in the middle of the night
while still pulsing the erroneous yellow ring, which I’m fairly certain
they shouldn’t do. Replaced them an...
Despite my dislike for Google / Nest support, I’m the sciency, techy,
engineer type and I wanted FCelic’s “lighter than air CO accumulation”
explanation to be right. I have the EXACT same issue. Garage, real CO
event, persistent CO warning despite op...
Any traction on this issue? I’ve seen this same post elsewhere and here,
with no resolution. I have the same issue. CO event and everything is
green in the app but the protects are all still pulsing yellow. If you
press the button, they just reiterat...
