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Ensure illuminator is mounted and connected properly.

Check if there is a red glow from
the unit with the photocell window covered. - If no output, check voltage at PSU output.(See Top Tip at the end of this guide)

If no voltage at illuminator, check
for cable breaks and suitability. If
voltage at illuminator is OK, check
power pot and PC pot settings.

Ensure illuminator is mounted correctly and in the right orientation.

Check power pot is set to maximum and diffuser is correct angle to cover the camera field of view.

This could also be due to poor camera sensitivity or incorrect camera settings. Consult camera manufacturers information.

Adjust the PC pot to set the lux level switching point.

Turn clockwise to increase sensitivity (switch on in darker conditions) or anticlockwise to reduce sensitivity (switch on in lighter conditions).
Ensure the sealing cap is replaced.

Set PC adjust pot fully anticlockwise. Connect telemetry wires, (blue and green), to PIR's Normally Closed relay terminals.

Ensure relay contacts are normally closed for the illuminator to be off.
When PIR triggers relay opens, and illuminator will turn on.

Use a mobile phone camera to check for the red glow from the 940nm illuminator.

Purple color in the camera indicates LED activity.

Infrared wavelengths are at the extreme of human vision. Most humans can see a red glow from an 850nm illuminator. However, at 940nm it is very difficult to see.
Only a very slight glow can be seen in complete darkness.

This image shows a 940nm illuminator. Although the camera shows the light to be a purple color, it can be clearly seen that all LEDs are working even in full day light.

For Microsoft browsers:

Navigate to browser settings.
Select "personal preferences."
Access the "cache" section.
Click on "clear previous history, including passwords."

Upgrade the firmware or software associated with the equipment to ensure compatibility and seamless
integration.

Check the power supply voltage to ensure it meets the device requirements.

If the voltage is inadequate, replace the Power Supply Unit (PSU) with a suitable one to stabilize the power source and resolve the pulsing LED issue.

For PoE models check the switch/injector complies with the required standard (af/at) and power budget has not been exceeded (for switch).