The siren does not sound when the system is triggered?

   date:2020-10-27     browse:5    comments:0    
Summary:A.Check if the sirens are available.. Check the wire connection between the siren and main unit.

A.Check if the sirens are available.
B.Check the wire connection between the siren and main unit.

 
Article Source: The siren does not sound when the system is triggered?
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