https://community.arlo.com/t5/Arlo/Intermittent-camera-motion-detect/m-p/1129319#M6897 <P>Lots of reasons, usually based on position and angle. &nbsp;The wireless cameras use a passive IR detector like most motion detection lights which require motion across the field of view, starting at an edge for best operation. &nbsp;Motion towards the camera is much harder to detect. &nbsp;There are FAQs here about how to aim - check them out.&nbsp;</P><P>&nbsp;</P><P>Too much scene for the camera is a frequent fault - aim the camera for only the actual area of interest. Post a screenshot for suggestions.</P> Sat, 20 Aug 2016 13:27:02 GMT jguerdat 2016-08-20T13:27:02Z https://community.arlo.com/t5/Arlo/Intermittent-camera-motion-detect/m-p/1129164#M6896 <P>The camera doesn't always detect motion.&nbsp; Why?</P> Tue, 27 Sep 2016 18:50:20 GMT https://community.arlo.com/t5/Arlo/Intermittent-camera-motion-detect/m-p/1129164#M6896 Tallynole 2016-09-27T18:50:20Z https://community.arlo.com/t5/Arlo/Intermittent-camera-motion-detect/m-p/1129319#M6897 <P>Lots of reasons, usually based on position and angle. &nbsp;The wireless cameras use a passive IR detector like most motion detection lights which require motion across the field of view, starting at an edge for best operation. &nbsp;Motion towards the camera is much harder to detect. &nbsp;There are FAQs here about how to aim - check them out.&nbsp;</P><P>&nbsp;</P><P>Too much scene for the camera is a frequent fault - aim the camera for only the actual area of interest. Post a screenshot for suggestions.</P> Sat, 20 Aug 2016 13:27:02 GMT https://community.arlo.com/t5/Arlo/Intermittent-camera-motion-detect/m-p/1129319#M6897 jguerdat 2016-08-20T13:27:02Z