Ordering Information - LEGRAND Wattstopper DT-355 Mode D'emploi

Disabling Light Level
Pressing the pushbutton for 5 seconds or more resets the light to default (maximum).
Press and hold the Light Level button for 5 seconds or until the detection LED(s) turn ON and then OFF. The LEDs flash rapidly for 10
seconds after the setting has changed.
For any unexpected operation
1. Check DIP switch settings. Make sure the switches are set according to the defined settings in the DIP Switch Setting chart.
Lights do not turn on when entering the room.
Neither LED Flashes
1. Check that the circuit breaker has been turned back on.
2. Check all sensor connections.
Red LED does not flash
1. When power is initially applied to the sensor, there is a warm-up period of 30 to 60 seconds before the LED becomes active.
2. Make sure PIR sensitivity is set to 100% (DIP switch #5 is in the "off" position).
Green LED is on steady
Check ultrasonic sensitivity trimpot. Fully counterclockwise position is the override for the sensor. Turn trimpot clockwise until LED
flashes only when movement occurs in the desired coverage area.
Red and Green LEDs flash
1. Check all sensor connections.
2. Check if Light Level is enabled.
• If occupancy indicator LEDs blink together every few seconds, sensor is using Light Level feature.
• If Light Level functionality is not desired, press and hold for 5 seconds to return sensor to the default setting (maximum).
Lights do not turn off automatically.
Green LED flashes
Reduce ultrasonic sensitivity by turning adjustment pot counter-clockwise until it only flashes when movement occurs.
Red LED randomly flashes
Set PIR sensitivity to minimum by turning DIP switch 5 to the "on" position.
Lights do not turn off
Check all sensor andconnections.
To override all sensor functions, set the Ultrasonic Sensitivity trimpot to the fully counterclockwise (Service) position.
This bypasses the occupancy control functions of the sensor.
Catalog # Description
DT-355 360° Dual Technology Occupancy Sensor, Line Voltage, w/light level sensor
CA-1 Cosmetic adapter for ceiling installation with 4" square j-box or Wiremold #V5752 box. All sensors are white.
All sensors are White
TROUBLESHOOTING
SERVICE

ORDERING INFORMATION

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