My daughter has two smoke alarms fitted in her house, one up and one
downstairs. They are mains operated and by some strange co-incidence, both
have decided to take it in turns to 'beep' similar to battery operated units
which need the batteries changed. This has been going on for two weeks or
so. Both units display the green power light. Anyone any ideas please?
Have you even read the manual on them? Looked them up at the mfr site?
Checked to see if there were any notes inside the unit? Checked to see if
they DO have batteries? Or anything that would help yourself?
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