1. Manuals
  2. Household Appliance Support
  3. First Alert Support
  4. Carbon Monoxide Alarm Support
Support User Manuals
Question About First Alert Carbon Monoxide Alarm fcd4 from costco
does it need the 9 volt battery to work? can it wo...

does it need the 9 volt battery to work? can it work just pluged in? i am getting 3 chirps a minute wityhout battery and code 6aE not sure about the E its missing top line??? please help

Asked by on 03/15/2014 0  Answer

ManualsOnline posted an answer 10 years, 6 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

Add Your Answer

Please Note: Do not submit personal information as it will be displayed online.
Ask a Question Request a Manual