| TROUBLE | TROUBLE CAUSE | REMEDY |
| Unit does not power up. | No or low input power. | Apply proper input voltage. |
| Input power polarity reversed. | Correct wiring polarity. |
| Alarm LED does not light | LED jumper is set to “LED OFF”. | Set LED jumper to “LED ENABLE”(See Section 2). |
| Incorrect sensor mounting height. | Increase /decrease mounting height. |
| Alarm LED/Relay triggers without movement in detection area. | Unsecured environment:Animals / rodents in detection area . | Block access of animals / rodents. |
| Heater/air conditioning equipment in sensor view. | Re-aim sensor. |
| Direct sun or headlights in sensor view. | Add curtain / shade to block light sources. |
| LED indicates alarm, no alarm output. | Incorrect wiring at alarm output terminals. | Correct wiring fault. |
| Lightning damage. | Replace sensor. |
| Alarm LED on constantly, no fault in protected area or wiring. | Defective unit. | Replace sensor. |
| Unit continues to operate after the input power has been disc-onnected. | The wire to the “ - ” power input was disconnected, the“ + ” is still connected. the power can now find a return path through the Alarm Output protection device and alarm wiring. | Disconnect wire from the “ + “ power input. |
8. NOTES
1.The product shall be installed indoor and do not use it under the following conditions.
① In the place where it is likely to be exposed to dust, high humidity,high temperatures,or rain.
② In the place where it is closed to magnetic field.
③ In the place where vibration or shock is directly transmitted to the product.
2.In order to ensure the normal operation of the product. It should be cleaned and maintained
regularly.
① Please power off before cleaning the product.
② Do not use chemical detergents to clean the product.
3.Never disassemble, repair and modify the product.
4.The product comply with the SJ/T11363-2006 Standard and requirements of RoHS.
5. Specifications and design are subject to change without prior notice.
