reasons for false alarm with curtain detector?

srul New Member Posts: 1	reasons for false alarm with curtain detector? Sept 5, 2019 16:34:01 GMT 8 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by srul on Sept 5, 2019 16:34:01 GMT 8 reasons for false alarm with curtain detector? i bought new kerui g 18 alarm system, and i have attached the curtain PIR sensors and they are alarming without any reason.