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Smoke Alarms

Von: no-one (nowhere@nowhere.com) [Profil]
Datum: 03.11.2009 20:59
Message-ID: <2q21f5t6je3o8el34igrctkeor80m6b74v@4ax.com>
Newsgroup: uk.d-i-y
Hi,

We have mains powered (with battery backup) smoke alrms on three
floors.  Today they have started going off for no apparent reason -
sometimes full aalrm, sometimes a few pips.

Is the cause likely to be the batteries need renewing?

TIA
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