Is It the Light Switch? It's not the bulb, as I've swapped it with other LEDs, and I've … If it’s a normal single bulb fitting (screw-in or bayonet), there should be no flickering regardless of whether the bulb type is LED, CCFL or Incandescent. This is dangerous as well, but the danger is confined to just the switch, unlike the loose circuit connection which endangers the whole system. Can I control the Light Switch (MIHO008) with a MiHome hand controller? In the bathroom, the bulb flickers on and off when it's switched off. Pattern: One light flickering Probable Cause: You have a bad bulb or the bulb is loose in its socket. 3. I have noticed intermittently there is a flicker from the bulb when switched off, this can go on for 5-10 minuets after? One incandescent light on the same circuit will normally stop LEDs and CFLS from flashing by bleeding off any leakage current. Our mains voltage is 220v. If I toggle both switches so the light is off again, there's 30v-38v in the cable, and this is enough to trigger the light flickering. Finding the Culprit. In that case, the next thing you should troubleshoot is the light switch. The circuit is wired as follows: Pendant is top of stairs & switched from 3 locations (2 way at top & bottom of stairs & an intermediate at one end of the landing). Is the offending flashing bulb in a lamp / circuit with a true mechanical switch, or is there an 'electronic' switch (like a lamp where you merely touch the base to turn it on or off)? LED flicker used to be a common problem. Neutral 2-3V above earth is normal. I have a 1930's House but it had a modern circuit board, it happens in the bedrooms (sometimes) on a single switch and mainly on the landing light which is a double switch? I've put a meter across, and with the light switched OFF, there's around 12v in the cable. This was because – unlike incandescents, halogens and fluorescents – LEDs have no persistence. Normal loop in/out arrangement in the rose. Another serious issue that could manifest as a flickering bulb is a switch failure. If the flicker is significant or has changed in unexpected ways, you should investigate. Light Switch (MIHO008) Help Sheet; Can I use the Light Switch (MIHO008) in an upstairs/downstairs arrangement? Bad flashing is normally caused by dimmer switches or illuminated switches. I've come across a single pendant fitting fitted with a energy efficiant bulb that flashes intermitantly when switched off. MEN does not normally stop LED/CFL flashing, and you'd still expect 2-3V at the light fitting. If you’ve tried steps 1 and 2, the problem may not be with the offending light bulb at all. All mains-powered light sources flicker, all the time. Same when it was a CFL bulb before I switched to LED cause I hate CFLs. Usually it's because of a common power connection that needs tightening. The bulb we have looks like this . If I remember correctly, I should add a capacitor in series to the bulb … Wiggle the switch gently to see if it evokes a flicker; if yes, simply replace it to stop the strobe light effect. A bad connection in your fixture’s on-off switch may result in irregular flickering. It’s an isolated problem, solved by switching out for a new bulb or simply screwing the bulb more tightly into its socket. Which bulbs should I use with my Light Switch (MIHO008)? Just remember to turn off the light before removing or adjusting the bulb to prevent burning or shocking yourself. Why do my LED bulbs flicker when on, or flash when off? Tracking something similar I noticed that the flicker only happened when an air conditioner across the road, started. But if all lights flicker, why do some people think flickering LEDs are a problem? 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