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TROUBLESHOOTING

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 and power pack wire connections.
3. Check for 24VDC input to the sensor between the red and black low voltage wires.

•  If 24VDC is present, replace the sensor.
•  If 24VDC is not present, check the high voltage connections to the power pack.
•  If high voltage connections are good and high voltage is present, replace the power pack.

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 does not flash 

Ultrasonic sensitivity setting may need to be increased. Turn adjustment trimpot clockwise  until the LED begins to flash when movement 

occurs.

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 and power pack 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). 

3. Check for 24VDC at the power pack blue and black wire connections to sensor while sensor is active.

•  If there is no voltage, replace the sensor.
•  If there is voltage, check for 24VDC between the blue and black wire at the power pack. If 24VDC is present and the relay is not closing, 

replace it.

•   If 24VDC is not present, check for a break in the low voltage wiring.

4. If LEDs are flashing rapidly (~10Hz), an overload condition exists. When this is corrected, the sensor  will return to normal operation. 

Check the blue wire connection. If necessary, replace the power pack.

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 flashes briefly and Green LED does not flash 

Check to see if you have used the Manual Switch connection.  Do not connect anything to this terminal if you are not using a low voltage 

momentary switch between the sensor and power pack.

Red LED randomly flashes 

Set PIR sensitivity to minimum by turning DIP switch 5 to the “on” position.

Lights do not turn off 

1. Check all sensor and power pack wire connections.
2. Disconnect power pack blue wire.

•  If lights do not turn off, check power pack wiring.  Replace the power pack if necessary.
•  If lights turn off, the problem may be the sensor or wiring between the sensor and power pack.

3. Reconnect the blue wire.

•  Turn sensitivity and time delay to minimum, and allow the sensor to time out.
•  If lights turn off, the sensor is working properly – adjust sensitivity and time delay for the sensor.
•  If lights do not turn off, check the wiring between the sensor and power pack.
•  If wiring is correct, replace the sensor.

SERVICE

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, but still allows the lights to be manually controlled with a light switch, if one is 

installed.

ORDERING INFORMATION

Catalog # 

Description

  DT-300 

Dual Technology Occupancy Sensor, 360° Low Voltage w/Isolated Relay and light level sensor

  DT-305 

Dual Technology Occupancy Sensor, 360° Low Voltage

  BZ-50, BZ-150 

Power Pack: 120/277VAC, 50/60Hz, 225mA,  20A ballast or incandescent, 1HP@120/250VAC

  BZ-200, BZ-250 

Power Pack: 120/277 VAC, 50/60Hz, 225mA, 20A ballast/ELV/MLV/incandescent/LED;16A E-ballast/CFL

  S120/277/347E-P 

Auxiliary Relay Pack:   120/277VAC, 60Hz, 20A Ballast, 347VAC, 60Hz, 15A Ballast

All sensors are white. 

BZ series power packs supply power for up to 5 DT-305 sensors.

CAUTION

TURN POWER OFF AT THE CIRCUIT BREAKER  

BEFORE WORKING WITH OR NEAR HIGH VOLTAGE.

Summary of Contents for DT-305

Page 1: ...er Packs Isolated Relay Rating 1A 30VDC VAC Operating Temperature 32 to 131 F 0 to 55 C Time Delay Adjustment 30 seconds to 30 minutes Walk Through Mode 3 minutes if no activity after 30 sec Test Mode...

Page 2: ...g Spring Clips 2 Blue Control Out 24V Common Low Voltage Class 2 Line Voltage Line Neutral Feed Through Power Pack Black Red 1 2 Line Voltage Switches White Black Red Line Voltage Wire Color Legend St...

Page 3: ...ection or the switch 2 Activating the manual switch while the load is ON turns the load OFF When the load is turned OFF manually as long as the sensor continues to detect occupancy the load stays OFF...

Page 4: ...load condition exists When this is corrected the sensor will return to normal operation Check the blue wire connection If necessary replace the power pack Lights do not turn off automatically Green LE...

Page 5: ...gnements La port e ultrasonique est peu pr s la m me lorsque la hauteur de montage se trouve entre 2 44 et 3 66 m tres 8 et 12 pi Consultez la partie concernant le mode de d clenchement par IRP et ult...

Page 6: ...tion 24 V Commun Basse tension Classe 2 Tension secteur Secteur Neutre Coupe fil Bloc d alimentation Noir Rouge 1 2 Interrupteurs tension du secteur Blanc Noir Rouge L gende des couleurs des fils la t...

Page 7: ...t constamment mis jour Logique de pr sence Interrupteurs 6 7 8 Le DT 305 a 8 configurations logiques de d clencheurs de pr sence correspondant aux interrupteurs DIP 6 7 et 8 D terminez l option de log...

Page 8: ...ment allum e V rifiez le potentiom tre d ajustement de la sensibilit ultrasonique Lorsqu il est enti rement tourn dans le sens antihoraire le d tecteur est neutralis Tournez le potentiom tre d ajustem...

Page 9: ...es fonctions de contr le de la pr sence par le d tecteur tout en laissant la possibilit de r guler manuellement les lumi res l aide d un interrupteur d clairage si un tel dispositif a t install INFORM...

Page 10: ...e Consulte el siguiente perfil para obtener informaci n detallada La cobertura ultras nica es aproximadamente la misma para las alturas de montaje de 8 a 12 pies Consulte la cobertura del modo de acti...

Page 11: ...ores de voltaje de l nea Voltaje de l nea Carga n 1 Carga n 2 Opcional Blanco Negro Rojo Leyenda de colores de cables de voltaje de l nea Cableado est ndar con interruptor de apagado local LVSW Carga...

Page 12: ...miento confiable sin falsas detecciones Esta configuraci n se actualiza constantemente L gica de presencia Interruptores 6 7 8 El DT 305 tiene 8 configuraciones l gicas para los activadores de presenc...

Page 13: ...rde est encendida de manera constante Verifique el potenci metro de sensibilidad ultras nica La posici n completamente contraria a las manecillas del reloj es la anulaci n del sensor Gire el potenci m...

Page 14: ...de presencia del sensor pero permite que las luces puedan controlarse manualmente con un interruptor de luz si hay uno instalado INFORMACI N PARA PEDIDOS Del Atenuador Descripci n DT 300 Sensor de pr...

Page 15: ...Visit our website www wattstopper com...

Page 16: ...ponsable de tout dommage cons cutif caus par ou li l utilisation ou la performance de ce produit ou tout autre dommage indirect li la perte de propri t de revenus ou de profits ou aux co ts d enl veme...

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