
8
7
Pulsed infrared dual beams
Form C relay (AC/DC 30V 0.5A max)
N.C. Opens when cover is removed (receiver only)
-13˚F (-25˚C)~131˚F (55˚C)
±5˚ vertical, ±90˚ horizontal
.66lbs (300g) Both transmitter and receiver
Alarm indication lamp is ON
Transmitter LED does not light.
Improper voltage supplied.
Check the power supply and wiring.
Receiver LED does not light.
Improper voltage supplied.
Check the power supply and wiring.
Alarm LED does not light,
even when beams are blocked.
1. Beams refl ect to the receiver
2. Both beams are not blocked
3. Beam block time is too short.
1. Remove the refl ecting object or change
3. Increase beam block time.
When the beams are blocked, the receiver
LED light is ON, but not alarm.
1. Wiring is short circuited.
2. Wiring connection is not good.
Check wiring and connection spot.
The alarm indication lamp of receiver is
1. Optical axis is not properly adjusted.
2. There are obstructions between the
transmitter and the receiver.
3. The outer covers are dirty.
1. Adjust the optical axis.
2. Remove the obstructions.
3. Clean with window cleaner and a
2. Fluctuating power supply / voltage.
3. Intermittent blockage between the
transmitter and the receiver.
4. The receiver or transmitter is unstable.
5. Blocked by other moving objects.
2. Check the power supply.
3. Remove the obstruction or relocate.
5. Adjust the optical axis.
6. Adjust interruption time or change
After installation, confi rm correct
After installation, confi rm correct
operation by suitable walking tests.
operation by suitable walking tests.
Refer to the appropriate LED indicator
Refer to the appropriate LED indicator