The electrician replaced an outdoor light under a carport which is a permanent part of the house structure shared by a common roof. Solutions range from tapping the light to replacing parts. Intermittent flickering can be a sign of technical problems. The lights may also be turning off frequently at night because the sensors are detecting the light from other sources or from the lights themselves. It has three positions (on, off, flashing) and it installs and functions just like a standard light. The GE Z-wave paddle dimmer switch that controls my front porch light literally JUST exhibited the same exact symptoms that you just described! The main reason Dusk to Dawn lights don't turn on or stay on is that the sensor is frozen in the on or off position. But also, a flash with a dimmer can signal a dimming problem. The LED flood towns may flicker, if there are voltage changes in the fixture 's wiring. Moreover, the flickering can leave you clueless about the problem that is causing it. The light will say on for about 3 minutes the go off and immediately come back 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. If it does, you’ve found the problem. It come on about 5 min, then back on with 5 min., what could be the problem? He tried another similar type light and it did the same thing. This electrical question came from: Bob, a Homeowner from Los Angeles, California. A poor connection between the light or fixture switch and the bulb can cause flickering. Outdated Dimmer Switches . It will keep doing this. Dimmer switches are a common source of flickering with LED (light-emitting diode) bulbs. I replace an old outside light fixture with a new Area dusk to dawn fixture. It has three positions (on, off, flashing) and it installs and functions just like a standard light. If your LED is controlled by a dimmer, the easiest fix is to buy a good-quality "dimmable" LED bulb. The current fluctuations are, to blame for the occasional flickering or flashing ofAn LED flood light. An outdoor flood light … 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 your light is already flickering, try toggling the switch on and off and see if … If the light comes on and then goes off a few minutes later, first replace the lamp. Older dimmer switches and current conventional dimmers are designed for use with standard incandescent light bulbs, and they often don't work well with LED bulbs. I had observe that the new light fixture goes on and off. The Emergency Light Switch insures your house will be found as quickly as possible.Simply replace the front porch light switch with the 911 Emergency Light Switch. 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 … Faulty Light or Fixture Switch. LED flood lights flashing on and off or blinking fast can be quite troublesome. The Emergency Light Switch insures your house will be found as quickly as possible.Simply replace the front porch light switch with the 911 Emergency Light Switch. The light is a photocell dusk/dawn type light. In general, flickering can be caused by multiple factors:(troubleshooting led flood light flashing on and off) 1.Check your electrical current. It this doesn't correct the problem, then the sensor would need changing. A faulty fixture switch or a lose light plug can also cause difficulties. Try gently wiggling the switch to see if this causes a flicker. There was a power outage an hour or 2 before, and now my front porch light keeps blinking on and off rapidly (switch is rapidly cycling on and off - you can hear the relay going on/off) Good-Quality `` dimmable '' LED bulb light under a carport which is a part! 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