Take a black Sharpe pen and draw a thin line on the photo eye.

Make sure the fixture is not connected to an external Photocell, Motion Sensor, or Timer.

The photo-eye is picking up some type of reflection that is causing the bulb to flicker.

Also, overcast days could cause the bulbs to stay illuminated. This may occur if the bulb is installed tucked away directly under an eave or soffit, or in an area with significant shading.

Note: If the bulb remains illuminated during daytime, it is possible that it is not receiving direct sunlight, preventing it from turning off. If the sensor is dirty it could cause the sensor to stay on.

Make sure the photo-eye is cleaned and clear of any dirt, fingerprints, or markings.

Slightly lift up on the bulb while in the socket and move clockwise or counterclockwise.

Make sure the sensor is facing toward the sun.

Check to be sure the bulb's sensor (it may look like a black lens on the bulb) is getting enough sun to it.

After you have determined the bulb is working remove the tape and clean off the photo-eye.

Test the sensor to be sure it is operating correctlyĬover the sensor with a piece of electrical tape and see if it turns on like a normal light bulb.

If your light bulb is not going on or off as expected The embedded light sensor is designed to turn the light on and off. The bulb needs constant power to operate as expected. Note: Leave the switch on after the bulb is installed into a fixture.

This article addresses frequently asked questions and provides tips that often help ensure the light bulb is turning on and off as expected. As a result, they operate a little differently than a regular light bulb. The light sensor will automatically turn the light bulb on when it is dark and off when it is light. Dusk to Dawn bulbs are not compatible with any digital or mechanical timer because they need constant power all the time to function correctly.Dusk to Dawn bulbs have a light sensor built into the bulb that monitors the ambient light. Make sure your fixture is not connected to an external Photocell, Motion Sensor, or Timer.Try rotating the sensor slightly to see if it helps. The sensor may be detecting reflections, causing the flickering.This can happen if it’s installed in a shaded area, like under an eave or soffit or on overcast days. If the bulb remains on during the day, it might not be receiving direct sunlight.If the circuit mixes LED and incandescent light bulbs, the light may not function correctly. Make sure that there are only LED bulbs in the circuit.After testing, remove the tape and clean the sensor.

If the bulb turns on when it’s covered, like a regular light bulb, you know it’s working correctly. You can do this by covering the sensor with your finger or electrical tape. Test the sensor to ensure it’s working correctly.Clean the sensor to remove any dirt, fingerprints, or marks, as a dirty sensor can cause it to stay on. You can adjust the sensor location by slightly turning it clockwise or counterclockwise. Ensure the sensor faces the sun and is not obstructed by any objects. Make sure the bulb’s sensor is getting enough sunlight.The switch needs to be turned on all the time for these bulbs to function properly. Make sure that the bulb has constant power.If your bulb isn’t behaving as it should:.If you’re having trouble with your Dusk to Dawn bulb, here are some tips to make sure the bulb works as expected: The sensor must be exposed for the light to work properly. Installing the bulbs into a recessed can or fixtures that block the sensor will not allow the bulbs to function properly.īeing that these bulbs operate on a photo sensor – glare or reflection from a fixture or light from another light source in close proximity can cause the bulbs to not function properly.

Frosted glass on your enclosed fixtures may cause the bulbs to not function properly. If you are going to install the bulb into an enclosed fixture you need to be sure that the sensor is exposed to natural light. The built-in sensor is responsible for turning the light on and off. The bulb needs continuous power to function correctly. Keep the switch on after you install the bulb in your fixture. Keep the light switch on at all times to ensure proper operation of the bulbs. Screw the bulb into the socket and turn the switch on. When installing the dusk to dawn bulbs in your outdoor fixture – make sure that the light sensor is exposed to ambient light.

Philips dusk to dawn light bulb 60 w