User`s manual
25
The detecting distance of PIR motion 
sensor gets shorter
The ambient temperature in the detect-
ing area is too high.
When the ambient temperature in the detecting area ex-
ceeds the human body temperature, the detecting distance 
will get shorter, it’s normal.
The alarm host does not alarm after the 
new added wireless detector is triggered.
Failed to follow the operation instruction 
of “Adding and Cancelling” sensors/
devices of newly added wireless sensor(s)
Follow the operation instruction of “Adding and Cancel-
ling” to activate the new wireless sensor(s)
The PIR motion sensor ashes frequently 
in green.
Battery is drained or low. Replace with new battery of the same voltage specication.
The door/window sensor indicator ashes 
frequently in green after alarming.
Battery is drained or low. Replace with new battery of the same voltage specication.
The distance of the remote controller gets 
shorter.
Battery is drained or low. Replace with new batter of the same voltage specication.










