Wireless Motion Alert

Chamberlain CWA2000






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Chamberlain CWA2000 – Troubleshooting Guide

The Chamberlain CWA2000 is a popular model in the company’s lineup of wireless motion alert systems. While this system is easy to install and use, you may experience some problems with intermittent alerts, low batteries and reduced transmission ranges. The good news is that these are common issues, and they’re very easy to solve. Listed below are some of the most common issues that users experience with this alert system and some tips on how to fix them.

The Sensor is Only Detecting Motion Some of the Time

If your sensor is only detecting motion some of the time, you may need to adjust the sensitivity settings on your sensor. To do this, you will need to access Switch 2 on your sensor, and switch the position from “Off” to “On”. This will switch the sensor to high sensitivity.

If you are trying to detect vehicles, and your alerts are intermittent, you may need to adjust the sensor’s position. Ideally, the sensor should be set at the height of the car’s motor, and it should be placed 10-20 feet away from the road. Chamberlain recommends mounting the sensor four feet from the ground for vehicle detection.

Finally, make sure that your sensor is angled in the appropriate direction. Remember, you can swivel your sensor as needed to find the appropriate position for detection.

The Sensor is Lighting Up, But the Base Station is Not Responding

If your sensor is lighting up, but your base station is not buzzing or responding, you may not have programmed the base station properly.
  • Detach the sensor and bring it within close range of the base station.
  • Press the “Learn” button on the base station. It should make a buzz sound.
  • Within 60 seconds, press the “Learn” button on the inside of the sensor.
  • The LED light should flash, and the base station should buzz.
Check to make sure that the base station is on and that the volume is appropriately turned up.

My Wireless Motion Alert System Is Not Getting the Expected Transmission Range

If the transmission range is not in line with the advertised range (1/2 mile), you may have an issue with the antenna position or the location of the sensor.

First, make sure that the antennas on the PIR sensor and the base station are vertical. When the antennas are vertical, the signal can easily be sent and received.

Second, check to make sure that your sensor is not located near trees or any metal objects. Any obstacles in between the sensor and the base station will reduce the transmission range, so the clearer the path, the longer the range.

The Base Station is Beeping Every 30 Minutes

The base station will beep every 30 minutes when the batteries are running low. The sensor will also beep to alert you of low batteries. Luckily, this is an easy fix. All you need to do is replace the AA batteries. Before doing this, check the sensors. If the LED illuminates on all of your sensors, this means that you will need to change the batteries in the base station.

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Last modified:  September 23, 2014