20 ZK-D3180S User Manual
Brief Maintenance
1.
Infrared sensor cannot count:
a)
Check the probe cables were well connected with the door
panels.
b)
Check whether there are some infrared interferences beside the
device, such as: infrared surveillance system, infrared remote
control (when press button), outdoor sunlight, etc.
c)
If both a and b are OK, please replace the Infrared sensor.
2.
False alarm
a)
After installation, if the device gives false alarms frequently, firstly,
check the installation environment. Make sure there is no
movable or stationary large metal objects around in 1.5 meters. if
any, try to make the device away from the large metal objects. In
addition, make sure the installation location no wind cause
shaking.
b)
If the false alarm not caused by the environment, please reduce
the sensitivity of all zones.
c)
Change the frequency.
d)
Change the installation location.
