New BRK 7020BSLA or 7030BSLA End Of Life Trouble Beeps
If you install a brand new 7020BSLA or 7030BSLA smoke detector, and hear trouble beeps shortly after being powered up via mains electricity (typically, this is 5 sharp 'chirps' or 'beeping 5 times' along with a flashing green LED), check the ...