Legrand CSD1000 - Manual (Page 9)

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TROUBLESHOOTING
Lights do not turn on with occupancy, and the following condition exists:
• Both LEDs do not flash:
1. Check that the circuit breaker has been turned back on.
2. Check all sensor and power pack wire connections.
3. Check for 24V input to the sensor.
- If 24V is present, replace the sensor.
- If 24V is not present, check that high voltage is present to power pack.
If it is, replace power pack.
• Red LED does not flash:
When power is initially applied to the sensor, there is a warm-up period of up to
30 seconds before the red LED is active.
1. Make sure that PIR Sensitivity is set to 100% (DIP switch #1 set to on).
2. If it still does not flash, call 800.223.4185 for Technical Support.
• Green LED does not flash:
1. The Ultrasonic Sensitivity setting may need to be increased.
Turn clockwise as needed.
• Both LEDs flash:
1. Check all sensor and power pack wire connections.
2. Check for 24VDC at the power pack’s blue wire connection to sensor while
sensor is activated. If there is no voltage, replace the sensor. If there is
voltage, replace the power pack.
Lights do not turn off automatically:
1. One or both of the sensor technologies (PIR or ultrasonic) may be
experiencing activations from outside the controlled area or from some type
of interference (see “Unwanted Sensor Activations” below).
2. Check all sensor and power pack wire connections.
3. Disconnect power pack’s blue wire:
If the lights do not turn off, replace power pack. Reconnect blue wire.
If the lights turn off, the problem may be in the sensor—to check:
Reconnect the blue wire.
Turn sensitivity and time delay to minimum and allow the sensor to time out.
If the lights turn off, the sensor is working properly (see number 1, above, and
“Sensor Adjustment” for readjustment of sensor).
CAUTION
TURN POWER OFF AT THE CIRCUIT BREAKER
BEFORE WORKING WITH OR NEAR HIGH VOLTAGE.