I had this happen and it turned out that there was an outdoor circuit with 12 outdoor coach lamps on it. One of our security lights started flickering on and off on the day we had that heavy rain. But then that's it. The light will reappear but should go off after a few minutes. Antonio. If it it a new install it may be the sensor picking light. If not the bulb it is the ballast. If the light from your security lights is flickering, the course of action depends on whether the problem lies with single or multiple lights. I don't have repair for defective product. The consequence is that it will not light up when it flashes. Open following link: If it is an old install, first check bulb. Do not expose photo eye to direct sunlight. Two cfl lights will not exceed load rating of photo-eye 1) Put black tape over photo eye and see if lights turn off. If the drive is waterproof, if it is good, it will just break the lamp bead and replace the light source. LLC tech. Any advice? If your light is already flickering, try toggling the switch on and off and see if … A poor connection between the light or fixture switch and the bulb can cause flickering. Reaction score It this doesn't correct the problem, then the sensor would need changing. We switched it off and then back on the next day but now it doesn't work. ... Too much light is reflecting down and setting off the light. SOURCE: outdoor cfl lights come on. If the light is set up for it, turning the light on and off rapidly two or three times will cause it to blink continuously. Re-aim or block light. I have already replaced the whole light fixture with a new one. Turn photo eye away from possible source of light at night. If you dont know shut up! This official sponsor may provide discounts for members. 2 0. I had observe that the new light fixture goes on and off. 0 0. As soon as u switch light ON, bulb comes on and then goes off after like 2 seconds. Faulty Light or Fixture Switch. 4): If the outdoor lighting also has a strobe light, the light is in the water. If it does, you’ve found the problem. Lv 6. Tighten the socket to the power source. It come on about 5 min, then back on with 5 min., what could be the problem? Never seen so many stupid answers. This electrical question came from: Bob, a Homeowner from Los Angeles, California. I purchased and installed a new 100-watt high-pressure sodium lamp (and left the new sensor in) and it was like a new light … It's rated for UK mains and draws 50 W so I reckon it's some problem with it's transformer. Try gently wiggling the switch to see if this causes a flicker. Flickering Lights. I wound up replacing all of the bulbs a few flashing sessions later as it often counted old bulbs with poor seating as bad. Light reflects off house and triggers sensor. my outside security light keeps flashing off quickly and back on again, I have adjusted the sensor and dials? Setting Motion Detector Flood Light Sensitivity Background: Sarah, a Homeowner from Ann Arbor, MI Question: My outdoor flood light that is attached to the garage keeps going off and on. buzzlightyear-Esteemed. 6 years ago. 2) Wiring is suspect. I do not know why your neighbors light flashes every night, but a blinking porch light is used to signal police or ambulance during an emergency. Check the bottom of the bulb, and wipe it w/ paper towel Sometimes it is loose connection. Arms. It's got no dimmer (I know about LEDs and dimmers), its just on/off. I prefer a non flashing system tbh. 0 0? Flashing meant "find the bad bulb". It does not come on when it detects movement. 7 years ago. The lamp bead and the drive are broken. It lights up but flashes on/off about once a second. It is on for about 10 minutes and off for about 20-30 minutes. I replace an old outside light fixture with a new Area dusk to dawn fixture. 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