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