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citadel xr2?

i have a citadel xr2 alarm and chirps every one to two minutes. it sounds like a smoke alarm battery when it is getting low on power
yarrum, June 2013
or smoke or carbon monoxcide det need battery :-)

gts, June 2013
At a guess I'd say Service timer or line fault.

e manno, June 2013
link Click here to see other fixes for Citadel XR2.