Sensor Adjustment; Troubleshooting - LEGRAND WattStopper DW-100-24-LA Installation Instructions Manual

Dual technology low voltage wall switch occupancy sensor
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ADJUSTMENTS

Sensor Adjustment

Remove the wall plate. Remove the button cap by firmly squeezing together the
top sides of the button assembly. Gently pull it away from the unit.
When the adjustments are completed, replace the button cap by inserting its
hinges into the tabs on the main unit and then squeeze the top of the button
while pressing it into the unit. Reinstall the cover plate.
Light Level Adjustment
The light level can be set with loads ON or OFF. To enable light level control and
set the threshold:
1. Make sure the room is lit appropriately.
2. Put the sensor into TEST mode. You have 5 minutes to complete the
procedure.
3. Press and hold the ON/OFF button for 3 seconds, until you hear a beep.
4. Step away from the sensor. After 25 seconds a beep sounds, indicating that
the threshold level is set. This threshold is retained, even if power is lost, until
it is re-set or disabled.
To disable light level control, press and hold the ON/OFF button for 7 seconds,
until a double beep tone sounds.
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).

TROUBLESHOOTING

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 switches 8 and 9.
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 each button. Make sure that the correct lights come ON. If
the lights turn ON, set PIR and Ultrasoic Sensitivity to High.
Visit our website for FAQs: www.wattstopper.com

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