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For any unexpected operation:
1. Check DIP Switch settings.
2. 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.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.
TROUBLESHOOTING
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