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Reset to Default
Use the DIP Switch Settings tables on the previous page to return features to factory settings. To reset the DW press and hold the
ON/OFF button for 10 seconds, until a triple beep sounds. This resets the sensor and disables light level control (the brightest ambient
light will not hold the light OFF).
Service Mode
To enter service mode set the ultrasonic trimpot to MIN (fully counter-clockwise).
Lights do not turn ON with motion (LED does flash)
1. Press and release each button to make sure that the correct lights come ON. If the lights do NOT turn ON, check wire connections,
especially the Load connection. If the lights turn ON, verify that the correct On Mode is selected in DIP Switch 8.
2. Check to see if light level control is enabled: cover the sensor lens with your hand. If the lights come ON, adjust the light level
setting.
3. If lights still do not turn ON, call 800.879.8585 for technical support.
Lights do not turn ON with motion (LED does not flash)
1. Press and release the button. Make sure that the correct lights come ON. If the lights turn ON, set PIR and Ultrasoic Sensitivity to
High.
2. Check the wire connections, in particular, the Neutral and Line connections. Verify that connections are tightly secured.
3. If lights still do not turn ON, call 800.879.8585 for technical support.
Lights do not turn OFF
1. There can be up to a 30 minute time delay after the last motion is detected. To verify proper operation, set DIP Switch 1 to ON,
then reset switches 1 and 2 to OFF to start Test Mode. Move out of view of the sensor. The lights should turn OFF in approximately
5 seconds.
2. Verify that the sensor is mounted at least six feet (2 meters) away from any heating/ventilating/air conditioning device that may
cause false detection. Verify that there is no significant heat source (such as a high wattage light bulb) mounted near the sensor.
3. Verify that the trimpot is not pointing at "Service" (red LED ON). If so, rotate the trimpot to it's middle setting (pointing up). The
Service setting allows users to operate the sensor as a service switch in the unlikely event of a failure.
4. If the lights still do not turn OFF, call 800.879.8585 for technical support.
Sensing motion outside desired areas
1. Select PIR Sensitivity — Low (DIP Switch 4 = ON) if necessary.
2. Mask the PIR sensor's lens to eliminate unwanted coverage area.
3. Adjust the Ultrasonic Sensitivity. Rotate trimpot counterclockwise to reduce sensitivity.
Red LED is lit all the time and the sensor features don't work.
1. Check the Ultrasonic trimpot. If it is set at fully counter-clockwise (MIN) the unit is in Service Mode. Set the trimpot to a mid-range
position.
2. If resetting the trimpot does not clear the LED call technical support.
Wattstopper DW series wall switches fit behind industry standard decorator-style switch cover plates. Cover plates are not included.
Units come in the following colors, which are indicated by the final suffix of the catalog number (shown here in parentheses):
White (-W), Light Almond (-LA), Ivory (-I), Grey (-G), Black (-B).
TROUBLESHOOTING
COVER PLATES
4
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