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