English
_8
Troubleshooting
Problem
Reason
Action
The power indicator of the
transmitter does not turn
on.
Power is not supplied.
Loose connection or short-circuited
1.
2.
Apply the power.
Check if the cables are properly connected.
1.
2.
Even if I block the infrared
light, the alarm indicator of
the receiver does not turn
on.
Power is not supplied.
Loose connection or short-circuited
The infrared light is incoming to the receiver
after refl ected by an object.
Two light sources are not properly blocked
simultaneously.
1.
2.
3.
4.
Turn on the sensor.
Check if the cables are properly connected.
Remove the interruption object, or change
the installation site or the orientation of the
optical axis.
Block two light sources simultaneously.
1.
2.
3.
4.
The alarm indicator of the
receiver will not turn off.
The optical axis is dislocated.
There exists an obstacle between
transmitter and receiver.
The cover of the transmitter or receiver has
impurities on it.
1.
2.
3.
Adjust the optical axis as necessary.
Remove the obstacle.
Wipe out the impurities with a soft cloth.
1.
2.
3.
The alarm sounds
intermittently.
Disconnected cables
Fluctuation of the power voltage
There exists an obstacle between
transmitter and receiver.
There exists a different strong power source
around the transmitter or receiver.
The transmitter or receiver gets loose and
unstable at its position.
The optical axis is dislocated.
The cover of the transmitter or receiver has
impurities on it.
Sometimes a big bird or cat can block the
light temporarily.
1.
2.
3.
4.
5.
6.
7.
8.
Check the connection status again.
Regulate the power voltage.
Remove the obstacle.
Change the wiring path.
Secure the pole or support.
Adjust the optical axis as necessary again.
Wipe out the impurities with a soft cloth.
Set the response time longer.
1.
2.
3.
4.
5.
6.
7.
8.
Wiring Diagram
Receiver
Transmitter
1. VCC : DC12V
2. GND
3. Normal Close
4. Common
5. Normal Open
6. Tamper
7. Tamper
1. VCC : DC12V
2. GND
