Error code

Dahua ev alarm paneli All models code N1

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Meaning

Alarm output port 1～2

Member details

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Possible causes

 2 groups of alarm output ports. (Group 1：port NO1～C1,Group 2:port NO2～C2).Output alarm signal to the alarm device. Please make sure there is power to the external alarm device.  NO：Normal open alarm output port.  C：Alarm output public end

Solution

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